Oppenheimer: The 21 Cameo Appearances You Missed, From Marvel Stars To Child Actors To Oscar Winners

By now everyone knows how many famous faces are there Barbie – but what about Oppenheimer?
When the two blockbusters hit theaters on Friday (July 21), they were neck and neck at the box office.
While Greta Gerwig’s bubblegum-pink vision overtook Christopher Nolan’s historical epic in opening weekend winnings, Oppenheimer passed slowly Barbie to get a near-perfect score on review aggregator Rotten Tomatoes.
In the film, Cillian Murphy plays physicist J Robert Oppenheimer, who leads the US effort to build the first atomic bomb. Florence Pugh, Emily Blunt, Robert Downey Jr. and Matt Damon round out the core cast, playing Jean Tatlock, Kitty Oppenheimer, Lewis Strauss and Leslie Groves, respectively.
While the premise of Oppenheimer And Barbie couldn’t be more different, but they have one thing in common: a very, very long list of starry cameos.
From Rob Brydon and Ncuti Gatwa to Hari Nef and Dua Lipa, BarbieThe ensemble cast is unmissable — but many of the cameo appearances in Oppenheimer are far more subtle.
Here’s every guest appearance you might have missed…
1. Alden Ehrenreich as Senate Advisor
Alden Ehrenreich as Senate Advisor
(Universal)
Best known for films including Blue Jasmine, Solo: A Star Wars Story And Beautiful creaturesEhrenreich plays a Senate aide who helps Lewis Strauss (played by Robert Downey Jr.).
2. Alex Wolff as Luis Walter Alvarez
Ari Aster’s breakout star Hereditary and M Night Shyamlans Old leaves the supernatural behind for a different kind of horror Oppenheimer. He plays one of many Nobel prize-winning physicists to appear on screen.
3. Benny Safdie as Edward Teller
Benny Safdie as Edward Teller
(Universal)
One half of the directing duo Safdie Brothers (the couple behind). Unpolished gems And Good time)Benny steps out from behind the camera to portray the Hungarian physicist best known as “the so-called father of the hydrogen bomb.”
4. Casey Affleck as Boris Pash
The Oscar winner – best known for films including Manchester by the sea And A ghost story – has an unforgettable performance as the deceptively calm intelligence officer Pash, who shares a suspenseful scene with Murphy’s Oppenheimer.

Watch Apple TV+ for free for 7 days
New subscribers only. £6.99/month. after free trial. The plan will automatically renew until canceled

Watch Apple TV+ for free for 7 days
New subscribers only. £6.99/month. after free trial. The plan will automatically renew until canceled
5. Dane DeHaan as Kenneth Nichols
The Spider-Man villain plays Major General Kenneth Nichols, who helps oversee security at the Manhattan Project.
Dane DeHaan as Kenneth Nichols
(Universal)
6.David Dastmalchian as William L. Borden
Dastmalchian – best known for films like The dark knight, The Suicide Squadand Dune — stars US Attorney and Congressman William L. Borden, who served as executive director of the US Congress’ Joint Committee on Atomic Energy from 1949-1953.
7.David Krumholtz as Isidor Isaac Rabi
Fans of ’90s romantic comedies will recognize Krumholtz 10 things I hate about you, in which he played the best friend of Joseph Gordon-Levitt’s character. Here the actor portrays a Nobel Prize-winning physicist.
8th. Gary Oldman as Harry S Truman
Oldman has a penchant for depicting world leaders in times of war. Here this darkest hour The Oscar winner appears as none other than President Truman – bow tie included.
Josh Hartnett as Ernest Lawrence
(Universal)
9. Gustaf Skarsgard as Hans Bethe
Of course there has to be a Skarsgard brother in the mix. The Swedish actor – best known for his roles in viking And west world (the latter was co-created by Nolan’s brother Jonathan) – plays Hans Bethe, a German-American nuclear physicist who heads the T (theory) department of the Manhattan Project.
10. Guy Burnet as George Eltenton
Hollyoaks Fans were shocked to see familiar face Guy Burnet on screen. Burnet is best known for his role as Craig on the Channel 4 soap opera.
11. James D’Arcy as Patrick Blackett
The Marvel star is no stranger to Christopher Nolan’s films, having previously starred in his 2017 war film Dunkirk. Here he plays Oppenheimer’s supervisor and teacher Patrick Blackett – another Nobel Prize winner in physics.
12. Jack Quaid as Richard Feynman
Another scientist to play is The young Star Jack Quaid, who is also known for his roles in films such as The hunger Games And Logan Lucky.
13. Jason Clarke as Roger Robb
Zero Dark Thirty Star Jason Clarke plays a fearsome and relentless prosecutor in the Oppenheimer trial.
Jason Clarke as Roger Robb
(Universal)
14 Josh Peck as Kenneth Bainbridge
The 36-year-old actor rose to fame as a child star starring opposite Drake Bell and Miranda Cosgrove on the Nickelodeon series Drake & Josh. As an adult, Peck plays another scientist and Manhattan Project collaborator.
15. Josh Hartnett as Ernest Lawrence
The Pearl Harbour Star plays a more important role than most of the actors on this list. He plays Ernest Lawrence, a nuclear physicist and Nobel laureate who worked with Oppenheimer on the Manhattan Project.
16. Matthew Modine as Vannevar Bush
Modine is probably one of the most recognizable faces on this list, having recently starred in the Netflix hit stranger things. Here he plays the American engineer Vannevar Bush.
17. Matthias Schweighöfer as Werner Heisenberg
Army of the Dead Enter Star Schwighöfer Oppenheimer as the German theoretical physicist Werner Heisenberg – of course also a Nobel Prize winner. In the film, Oppenheimer tells US Army officials that he believes Werner’s knowledge will be vital to the Nazis building their own atomic bomb.
Josh Peck as Kenneth Bainbridge
(Universal)
18.Michael Angarano as Robert Serber
As physicist Robert Serber, Angarano has minimal screen time – but the actor will be known to viewers as Jack’s son Elliott will and grace and its roles inthis is us and the 2005 children’s film sky high.
19. Olivia Thirlby as Lilli Hornig
Thirlby immediately catches the eye when she appears on screen as Lilli Hornig — and not just because she’s the only woman working on the Manhattan Project. The actress is best known for her roles in Juno And The darkest hour.
Olivia Thirlby as Lilli Hornig
(Universal)
20 Rami Malek as David Hill
Oscar winner Rami Malek appears as fellow scientist David Hill. The actor is best known for his roles in no time to die, Mister Robotand of course, Bohemian Rhapsody.
21. Scott Grimes as consultant
Viewers can see Grimes as an attorney during the hearing against Oppenheimer. If you don’t recognize him by his face – as in HE, group of fiveAnd gang of brothers – You might recognize him as the voice of Steve Smith in adult animation American dad!.
You can read The Independent‘s five star review by Barbie here and four-star rating from Oppenheimer Here.