Cast of The Life and Death of Peter Sellers

Geoffrey Rush portrays Peter Sellers, focusing on the actor's multifaceted personality and career.

Charlize Theron plays Britt Ekland, Peter Sellers' wife, exploring her relationship with him.

John Lithgow takes on the role of Blake Edwards, the director and collaborator of Peter Sellers.

Miriam Margolyes plays Peg Sellers, Peter's supportive yet concerned mother.

Stephen Fry portrays Maurice Woodruff, a close friend and confidant of Peter Sellers.

Stanley Tucci plays Stanley Kubrick, a noted filmmaker who worked with Peter Sellers.

Emily Watson portrays Anne Sellers, one of Peter's wives, highlighting the complexities of their marriage.

Henry Goodman plays Dennis Selinger, a character connected to Peter Sellers in his professional life.

Steve Pemberton takes on the role of Harry Secombe, a friend and fellow entertainer of Peter Sellers.

Sonia Aquino portrays Sophia Loren, a famous actress with whom Peter Sellers had a notable encounter.

Alison Steadman plays the Casting Agent, who plays a role in Peter Sellers' casting decisions.

Edward Tudor-Pole plays Spike Milligan, a comedian and close friend of Peter Sellers, reflecting their shared humor.