Oppenheimer: A Comprehensive Guide to Its Characters in the Film!

Christopher Nolan's film Oppenheimer is now ready to be shown in theaters, and you can read the character guide that appears in the story.

Oppenheimer revolves around the figure of J. Robert Oppenheimer, a physicist who became the leader of a legendary project, The Manhattan Project.

This project eventually became the precursor to the development of the atomic bomb.

The film Oppenheimer itself is known to have a duration of three hours, making it one of the longest films. 

There are various characters that will appear in this film, which may potentially confuse you.

That's why you can read a complete guide about the characters that will appear in the film Oppenheimer.

Tom Conti as Albert Einstein

One of the intriguing aspects of the film Oppenheimer is the appearance of Albert Einstein portrayed by Tom Conti.

This world-renowned physicist has made significant contributions, ranging from the theory of relativity, quantum mechanics, and had a close relationship with Robert Oppenheimer.

Christopher Denham as Klaus Fuchs

Klaus Fuchs is a German theoretical physicist and a spy who surveilled the atomic bomb project.

He collaborated with the Soviet Union and was someone who sought to gather as much information as possible about the Manhattan Project.

Oppenheimer itself is considered a spy thriller film, most likely due to the presence of Fuchs.

David Krumholtz as Isidor Isaac Rabi

Isidor Isaac Rabi is another physicist who won the Nobel Prize in 1944 for his discovery of nuclear magnetic resonance and magnetic resonance imaging. 

What's interesting is that David Krumholtz is actually a comedic actor. 

This is certainly one of the great surprises that Nolan presents in the film Oppenheimer.

Devon Bostick as Seth Neddermeyer

Devon Bostick will portray a character named Seth Neddermeyer, who is a physicist involved in the Manhattan Project. 

Seth Neddermeyer himself is a figure who had a significant impact on the creation of the atomic bomb. 

He was a physicist determined to create a high-explosive nuclear weapon.

Gustaf Skarsgard as Hans Bethe

Hans Bethe is a scientist who made major contributions in the field of nuclear physics and even won the Nobel Prize in 1967 for his work on stellar nucleosynthesis.

Danny Deferrari as Enrico Fermi

The next character to appear in the film Oppenheimer is Enrico Fermi. 

He is an important figure in the Manhattan Project and is famous for creating the world's first nuclear reactor.

Gary Oldman as Harry S. Truman

Gary Oldman is one of the prominent stars involved in the film Oppenheimer. 

He portrays the 33rd President of the United States, Harry S. Truman. 

The president was the highest leader of the American forces during World War II.

This is not the first time Gary Oldman has portrayed important figures, he previously portrayed Winston Churchill.

Jack Quaid as Richard Feynman

You may recognize Jack Quaid as Hughie Campbell in the series "The Boys".

However, Jack will portray Richard Feynman in the film Oppenheimer. 

Richard himself is one of the most influential theoretical physicists of all time. 

His most popular theory focuses on quantum electrodynamics, which led him to join the Manhattan Project.

Josh Peck as Kenneth Bainbridge

Kenneth Bainbridge is a physicist who led the first atomic bomb test in the Manhattan Project. 

Josh Peck, another comedic actor, is involved in the film Oppenheimer, portraying a serious character. 

However, Nolan is known for bringing unexpected cast choices.

Michael Angarano as Robert Serber

Michael Angarano portrays Robert Serber, one of the many physicists who joined the Manhattan Project with Oppenheimer. 

Robert Serber was also a physics professor at Columbia University, along with J. Robert Oppenheimer's brother.

Dylan Arnold as Frank Oppenheimer

Dylan Arnold joins the film by portraying Frank Oppenheimer. 

He is the younger brother of Robert Oppenheimer and a physics professor at the University of Colorado. 

Dylan himself is relatively new to the acting world, and it is intriguing to see how he portrays such an important character in the film.

Matthew Modine as Vannevar Bush

Vannevar Bush is an electrical engineer and inventor who led the Office of Scientific Research and Development. 

Modine has previously collaborated with Nolan in "The Dark Knight Rises," where he played Deputy Commissioner Peter Foley. 

He also played Dr. Martin Brenner in the series "Stranger Things."

Josh Hartnett as Ernest Lawrence

Ernest Lawrence was an American nuclear physicist who won the Nobel Prize in 1939 for his invention of the cyclotron. 

Josh Hartnett was one of the top candidates to play Batman in Nolan's Batman trilogy but was rejected due to scheduling conflicts. 

Since 2020, Hartnett has not been involved in many major roles.

Benny Safdie as Edward Teller

Edward Teller was a physicist who joined the Manhattan Project alongside Robert Oppenheimer. 

However, in the field of science and physics, Edward Teller is also known as "the father of the hydrogen bomb".

This is because he successfully created the first thermonuclear weapon.

Florence Pugh as Jean Tatlock

Jean Tatlock was a member of the United States Communist Party and a psychiatrist. 

Jean Tatlock is known to have had a romantic relationship with Robert Oppenheimer during her lifetime. 

This will be Pugh's first film project in collaboration with Christopher Nolan and will be a major film project in 2023, showcasing her as a star.

Robert Downey Jr. as Lewis Strauss

After retiring from his role as Tony Stark, RDJ joined Christopher Nolan in the film Oppenheimer. 

In this film, RDJ plays Lewis Strauss, a naval officer who served two tours in the United States Atomic Energy Commission.

Matt Damon as Leslie Groves

Matt Damon is also one of the big Hollywood stars who joined the film Oppenheimer. 

He plays Leslie Groves, an engineer in the United States Army. 

He is responsible for the construction of the Pentagon and was appointed as the leader of the Manhattan Project in September 1942.

Emma Dumont as Jackie Oppenheimer

Jackie Oppenheimer is Robert Oppenheimer's sister-in-law, as she is married to Robert's brother, Frank. 

Emma Dumont's name may not be widely known as she has mostly played minor roles. 

However, Emma is famous for her portrayal of Lorna Dane, also known as Polaris, in the series "The Gifted."

Emily Blunt as Katherine Oppenheimer

Emily Blunt will play one of the main characters in the film, Katherine "Kitty" Oppenheimer. 

Katherine is Robert Oppenheimer's wife and his partner in dealing with doubts and various other challenges. 

Considering Blunt's achievements in previous films, she seems to be a fitting choice for this role.

Cillian Murphy as J. Robert Oppenheimer

Cillian Murphy may be better known as Tommy Shelby in the series "Peaky Blinders".

However, he has also collaborated with Nolan in the Batman trilogy, where he played Scarecrow. 

Cillian Murphy portrays the main character in the film, J. Robert Oppenheimer. 

He is the one who later discovers the atomic bomb and various other aspects that impact human life.

Unconfirmed Cast Members and Characters

In addition to the aforementioned stars, there are other names that appear in the film but their roles have not been confirmed. 

Here is a list of cast members whose characters in the Oppenheimer character guide are yet to be confirmed.

Casey Affleck

David Dastmalchian

Rami Malek

Kenneth Branagh

Dane DeHaan

Alden Ehrenreich

Jason Clarke

Alex Wolff

Tony Goldwyn

Scott Grimes

Josh Zuckerman

James D'Arcy

David Rysdahl

Louise Lombard

Harrison Gilbertson

Olli Haaskivi

Based on the explanations above, Christopher Nolan brings forth a multitude of characters in the film Oppenheimer. 

He not only presents renowned Hollywood stars but also introduces emerging talents or lesser-known names. 

You can read the complete character guide before watching the film Oppenheimer.