Trailer
Cast
Barbara Morrison
Mother Superior
Don Hanmer
Butterfly Trader
Don Gordon
Julot
George Coulouris
Dr. Chatal
Mills Watson
Guard
William Smithers
Warden Barrot
Gregory Sierra
Antonio
Len Lesser
Guard
Peter Brocco
Doctor (uncredited)
Dustin Hoffman
Louis Dega
Woodrow Parfrey
Clusiot
Bill Mumy
Lariot
Jack Denbo
Classification Officer
Fred Sadoff
Deputy Warden
Richard Farnsworth
Manhunter (uncredited)
Val Avery
Pascal
Anthony Zerbe
Toussaint
Robert Deman
Maturette
E.J. André
Old Con
Anne Byrne Hoffman
Mrs. Dega (uncredited)
Dalton Trumbo
Commandant (uncredited)
Victor Jory
Indian Chief
Ron Soble
Santini
Richard Angarola
Commandant
John Quade
Masked Breton
Allen Jaffe
Turnkey
Liam Dunn
Old Trustee
Steve McQueen
Henri "Papillon" Charriere
Ratna Assan
Zoraima
Vic Tayback
Sergeant