Geoffrey Rush as Peter Sellers

Charlize Theron as Britt Ekland

John Lithgow as Blake Edwards

Miriam Margolyes as Peg Sellers

Stephen Fry as Maurice Woodruff

Stanley Tucci as Stanley Kubrick

Emily Watson as Anne Sellers

Henry Goodman as Dennis Selinger

Steve Pemberton as Harry Secombe

Sonia Aquino as Sophia Loren

Alison Steadman as Casting Agent

Edward Tudor-Pole as Spike Milligan

Peter Vaughan as Bill Sellers

Peter Gevisser as Ted Levy

David Robb as Dr. Lyle Wexler

Nigel Havers as David Niven

Mackenzie Crook as Car Salesman

George Cicco as Michael Sellers (3 Yrs)

James Bentley as Michael Sellers (7-10 Yrs)

Eliza Darby as Sarah Sellers

Lance Ellington as Singer Ray Ellington

Lucy Punch as Lead Stewardess

Heidi Klum as Ursula Andress

Nick Maloney as Switzerland Interviewer

Jane Milligan as 'The Pink Panther' Premiere Reporter

Joseph Long as Carlo Ponti

Bob Sherman as Movie Executive

Sam Dastor as Hal Ashby

Mona Hammond as Louise the Maid

Alan Williams as 'Casino Royale' Director

Grant Russell as Plastic Surgeon

Julian Littman as Businessman in Plane

Tope Oluwole as Beautiful Black Woman

Kate Burrell as Sophia's Stand-in

Rosie Fellner as Emma - Selinger's Secretary

In-sook Chappell as So Mi - Girl at Screening

Tom Wu as Cato

Kenneth Hadley as Limo Driver

Robert Wilfort as Motorcycle Delivery Man

Ty Glaser as 'Millionairess' Girl with Phone

Molly Hallam as Hilary - 'Dr. Strangelove' Assistant

Richard Ayoade as Photographer at Wedding

Simon Markey as Sophia Loren Arrival Reporter

Bruce Mackinnon as Britt at Hospital Reporter #1

Josh Cole as Britt at Hospital Reporter #2

Richard Syms as Newscaster #1

Osmund Bullock as Newscaster #2

Markus Napier as Switzerland Maitre d'

Kennie Andrews as Maintenance Man

Vera Zaal as Car Showroom 60's Sci-Fi Girl

Tiara Tian as Car Showroom Asian Beauty

Charlotte Connoley as Car Showroom Blonde Bombshell

Stephanie Jacob as Nurse with Wheelchair

Gerrard McArthur as Wayne - Studio Engineer