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Donnie Wahlberg - The actor and musician is Mark Wahlberg’s older brother, but his case is unique. He was famous as a founding member of the boy band New Kids on the Block. But as time passed, we all paid more attention to his younger brother.

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Donnie Wahlberg - Where you might have seen him (besides, of course, New Kids on the Block): ‘The Sixth Sense’ or ‘Band of Brothers.’

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Robert Wahlberg - Mark and Donnie have yet another brother who is also an actor, and by far the least famous Wahlberg (pictured on the right).

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Robert Wahlberg - Where you might have seen him: ‘Mystic River,’ ‘The Departed,’ ‘Gone Baby Gone,’ ‘Contraband,’ and ‘The Equalizer.’

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Rob Kardashian -

The male sibling in the Kardashian empire had mostly stayed out of the spotlight, until his complicated relationship with Blac Chyna drew public attention in 2017. Since their split, he once again faded into the background.

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Rob Kardashian - Where you might have seen him: ‘Keeping Up with the Kardashians.’

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Justine Bateman -

Similarly to Donnie and Mark Wahlberg’s situation, Justine was arguably more famous than her brother Jason Bateman in the 1980s when she starred on ‘Family Ties.’

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Justine Bateman - Where you might have seen her: ‘Family Ties,’ ‘Satisfaction,’ ‘Men Behaving Badly,’ ‘The TV Set,’ ‘Desperate Housewives,’ or ‘Californication.’

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Michael Buscemi - The younger brother of the highly successful Steve Buscemi never got as much recognition.

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Michael Buscemi - Where you might have seen him: ‘The Night Of’ or ‘Blended.’

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Emilio Estevez -

Charlie Sheen’s older brother is well known is his own right, but you have to admit you sometimes forgets he exists. But we got a reminder in March 2021, when 'The Mighty Ducks: Game Changers' premiered on Disney+.

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Emilio Estevez - Where you might have seen him: ‘ The Breakfast Club,’ ‘St. Elmo's Fire,’ or ‘The Outsiders.’

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Joe Estevez - The second Estevez on the list is the actor and younger brother of Martin Sheen, the famous father of Charlie and Emilio.

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Joe Estevez - Where you might have seen him: ‘Beach Babes from Beyond,’ ‘Turning Point,’ or ‘Samurai Cop 2.’

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Mia Tyler - The younger half-sister of actress Liv Tyler and daughter of rock star Steven Tyler is also an actress, in addition to having a career as a model and fashion designer.

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Mia Tyler - Where you might have seen her: ‘Rush Hour 3,’ ‘O Brother, Where Art Thou,’ and ‘People Are Dead.’

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Oliver Hudson -

Kate Hudson’s older brother is also an actor, as is their mother, the great Goldie Hawn.

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Oliver Hudson - Where you might have seen him: ‘Rules of Engagement,’ ‘ Nashville,’ or ‘ Scream Queens.’

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Don Swayze - You might think you recognize his face, but you’re probably just seeing the resemblance to his older (and more famous) brother, the late Patrick Swayze.

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Don Swayze - Where you might have seen him: ‘The Young and the Restless,’ ‘Days of Our Lives,’ ‘True Blood,’ or ‘General Hospital.’

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Andrew Wilson - You might think you know him, but you’re probably thinking of one of his brothers, Luke and Owen. All three siblings pursued careers in acting, but two achieved significantly more success than the third.

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Andrew Wilson - Where you might have seen him: ‘Never Been Kissed,’ ‘Whip It!,’ or ‘Charlie’s Angels.’

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Eric Roberts -

Julia Roberts’ older brother is also an actor, but his success is nothing compared to his baby sister’s. Or to his daughter’s for that matter, as he is also the father of Emma Roberts.

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Eric Roberts - Where you might have seen him: ‘Heroes,’ ‘The Dark Knight,’ or ‘Runaway Train.’

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Lisa Roberts - Julia Roberts’ other sibling is also an actress. It must be difficult to compete for the spotlight when your sister is the amazing Julia Roberts.

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Lisa Roberts - Where you might have seen her: ‘Eat Pray Love’ (in which her sister, Julia, played the main character), ‘Sex and the City,’ and ‘Mother’s Day.’

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Christopher Coppola - As a part of the talented family that includes Francis Ford Coppola, Sofia Coppola, Jason Schwartzman, and Nicolas Cage, Christopher Coppola was in for some tough competition.

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Christopher Coppola - Where you might have seen him: ‘Deadfall.’

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Frank Stallone - You’ll likely recognize the last name regardless of which brother it is. Besides acting, Frank Stallone is also a musician.

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Frank Stallone - Where you might have seen him: ‘Public Enemies,’ ‘Rocky,' or ‘Lethal Games.’

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Tom Franco - A middle child, the actor is the younger brother of James Franco and the older brother of Dave Franco.

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Tom Franco - Where you might have seen him: ‘Basket Case 2,’ ‘A Peace of History,’ or ‘The Devil Wears a Toupee.’

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Charlie O’Connell - The 'Stand By Me' actor’s little brother is also an actor.

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Charlie O’Connell - Where you might have seen him: ‘The Bachelor’ (2005), ‘Dude, Where's My Car?,' or ‘Cruel Intentions.’

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Brett Harrelson - Brett (left) is an actor just like his older brother Woody Harrelson, but never achieved the same level of success.

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Brett Harrelson - Where you might have seen him: ‘The People vs. Larry Flynt,’ ‘Inferno,’ or ‘From Dusk till Dawn 2: Texas Blood Money.’

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Joey Travolta - John Travolta’s older brother is also an actor, but he is largely known for being John Travolta’s older brother.

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Joey Travolta - In all fairness, he has had quite a bit of success directing. These are some of the works he directed: ‘Navajo Blues,’ ‘Laws of Deception,’ and ‘L.A. Heat.’

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Dedee Pfeiffer - Michelle Pfeiffer's younger sister is also an actress, and has appeared in a number of films and TV shows. However, she went on to earn a degree in social work and now works in the field.

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Dedee Pfeiffer - Where you might have seen her: ‘Cybill,’ ‘Supernatural,’ or ‘The Allnighter.’

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Chad Lowe - Rob Lowe’s younger brother is also an actor.

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Chad Lowe - Where you might have seen him: ‘Life Goes On,’ ‘Unfaithful,’ or ‘Pretty Little Liars.’

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Daniel Baldwin -

All four of the Baldwin brothers are actors, so it’s inevitable that one would be left behind.

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Daniel Baldwin -

Where you might have seen him: ‘Grimm,’ ‘Homicide: Life on the Street,’ or ‘Grey Gardens.’

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Haylie Duff - Hilary Duff’s older sister isn’t nearly as famous, but she’s also an actress and singer.

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Haylie Duff - Where you might have seen her: ‘7th Heaven,’ ‘Napoleon Dynamite,’ or ‘Material Girls.’

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Charlie Murphy - The late actor was probably better known for being Eddie Murphy’s older brother.

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Charlie Murphy - Where you might have seen him: ‘Hawaii Five-0,’ ‘Chappelle’s Show,’ or ‘Lottery Ticket.’

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John Murray - The Murrays had eight children, three of whom are actors. Bill Murray is the most famous, with Joel Murray in second for his role as Freddy Rumsen in 'Mad Men.' With competition like that, John Murray was in for a tough race.

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John Murray - Where you might have seen him: ‘A Darker Reality’ or ‘Scrooged.’

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Cooper Manning - You know Peyton Manning. He’s a former football quarterback who played 18 seasons in the NFL, primarily with the Indianapolis Colts. You also know Eli Manning, the former quarterback for the New York Giants. But do you know Cooper Manning? He is a television host.

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Cooper Manning - Where you might have seen him: ‘The Manning Hour’ on Fox Sports.

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Kevin Dillon - Matt Dillon has a younger brother who’s also an actor, in case you didn’t know or forgot.

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Kevin Dillon - Where you might have seen him: ‘Entourage’ or ‘Platoon.’

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Clint Howard - Ron Howard’s younger brother frequently makes appearances in his brother’s films.

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Clint Howard -

Where you might have seen him: ‘Gentle Ben,’ ‘The Waterboy,’ or ‘Arrested Development.’

See also: Notoriously bad celebrity hotel guests 

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Frankie Jonas -

You might have thought that Kevin was the least famous Jonas Brother, but that would in fact be Frankie. The Jonas Brothers have a fourth brother who is 24 and starting to make his own way in the music industry. 

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