Steve McQueen

Henri "Papillon" Charriere

Dustin Hoffman

Louis Dega

Victor Jory

Indian Chief

Don Gordon

Julot

Anthony Zerbe

Toussaint

Robert Deman

Maturette

Woodrow Parfrey

Clusiot

Bill Mumy

Lariot

George Coulouris

Dr. Chatal

Ratna Assan

Zoraima

William Smithers

Warden Barrot

Val Avery

Pascal

Gregory Sierra

Antonio

Vic Tayback

Sergeant

Mills Watson

Guard

Ron Soble

Santini

Barbara Morrison

Mother Superior

Don Hanmer

Butterfly Trader

E.J. André

Old Con

Richard Angarola

Commandant

Jack Denbo

Classification Officer

Len Lesser

Guard

John Quade

Masked Breton

Fred Sadoff

Deputy Warden

Allen Jaffe

Turnkey

Liam Dunn

Old Trustee

Anne Byrne Hoffman

Mrs. Dega (uncredited)

Dalton Trumbo

Commandant (uncredited)

Richard Farnsworth

Manhunter (uncredited)

Peter Brocco

Doctor (uncredited)