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