Who’s Who in Oppenheimer

Andrew Buckle,

Christopher Nolan’s Oppenheimer has been a box office phenomenon in 2023, drawing huge volumes of cinemagoers alongside the similarly-timed release of Barbie. Oppenheimer tells the dramatic story of American scientist, J. Robert Oppenheimer (portrayed by Cillian Murphy), and his role in the development of the atomic bomb.

This film, like many of Nolan’s works, has a star-studded cast (including a group of his regulars), but what is especially striking about this film is not just the quality of the acting but the volume of recognisable and renowned actors who have signed onto the film to appear in mostly small, supporting roles.

Some of the cameos, if you’re unfamiliar with the film, are genuinely surprising and are worth discovering for yourself. Among them are Academy Award-winning performers who appear for single scenes. To avoid these spoilers we have left some of these actors out of this summary.

But, if you have seen Oppenheimer and came across a familiar face and you can’t place what else they have appeared in, there is a chance they are featured below. Read on for a list of just a selection of the outstanding casting choices in Oppenheimer, the role the actor is perhaps best known for and a role we recommend seeking out.

Cillian MurphyJ. Robert Oppenheimer

Best Known For: Tommy Shelby, Peaky Blinders

We Recommend: Jim, 28 Days Later

Robert Downey Jr.Lewis Strauss

Best Known For: Tony Stark/Ironman, The Avengers

We Recommend: Harry Lockhart, Kiss Kiss Bang Bang

Emily BluntKitty Oppenheimer

Best Known For: Mary Poppins, Mary Poppins Returns

We Recommend: Iris, Your Sister’s Sister

Matt DamonLeslie Groves

Best Known For: Jason Bourne, The Bourne Identity

We Recommend: Sonny Vaccaro, Air

Florence PughJean Tatlock

Best Known For: Alice, Don’t Worry Darling

We Recommend: Dani, Midsommar

Josh HartnettErnest Lawrence

Best Known For: Danny Walker, Pearl Harbour

We Recommend: Danny, Operation Fortune: Ruse de Guerre

Rami MalekDavid Hill

Best Known For: Freddie Mercury, Bohemian Rhapsody

We Recommend: Elliot Alderson, Mr Robot

Kenneth BranaghNiels Bohr

Best Known For: King Henry V, Henry V

We Recommend: Lawrence Olivier, My Week With Marilyn

Jason ClarkeRoger Robb

Best Known For: Malcolm, Dawn of the Planet of the Apes

We Recommend: Dan, Zero Dark Thirty

Benny SafdieEdward Teller

Best Known For: Joel Wachs, Licorice Pizza

We Recommend: Nick Nikas, Good Time

Tom ContiAlbert Einstein

Best Known For: Lawrence, Merry Christmas, Mr Lawrence

We Recommend: Judge Gerald Biggleswade, Paddington 2

Alden EhrenreichSenate Aide

Best Known For: Han Solo, Solo: A Star Wars Story

We Recommend: Hobie Doyle, Hail Caesar!

James D’Arcy Patrick Blackett

Best Known For: Edwin Jarvis, Agent Carter

We Recommend: Multiple roles, Cloud Atlas

David DastmalchianWilliam Borden

Best Known For: Wojchek, Dracula: Voyage of the Demeter

We Recommend: Jack Delroy, Late Night with the Devil

Dane DehaanKenneth Nichols

Best Known For: Major Valerian, Valerian and the City of a Thousand Planets

We Recommend: James Dean, Life

Jefferson HallHaakon Chevalier

Best Known For: Jason and Tyland Lannister, House of the Dragon

We Recommend: Thorne Geary, Taboo

David KrumholtzIsidor Rabi

Best Known For: Bernard, The Santa Clause

We Recommend: Monty Levin, The Plot Against America

Matthew ModineVannevar Bush

Best Known For: Dr. Martin Brenner, Stranger Things

We Recommend: Private/Sergeant J.T. “Joker” Davis, Full Metal Jacket

Jack QuaidRichard Feynman

Best Known For: Hughie Campbell, The Boys

We Recommend: Fish Bang, Logan Lucky

Olivia Thirlby Lilli Hornig

Best Known For: Leah, Juno

We Recommend: Anderson, Dredd

Danny DefararriEnrico Fermi

Best Known For: Andrew Madoff, Madoff

We Recommend: Max, Shiva Baby

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