Zero Mostel
Rev. Pious Blue
                                    Kim Novak
Sister Lyda Kebanov (forger)
                                    Clint Walker
Ranger Ben Quick
                                    Claude Akins
Slade
                                    Akim Tamiroff
Papa (Juan's father)
                                    Larry Storch
Juan
                                    John Anderson
Mayor Kincaid
                                    Sam Jaffe
Brother Lilac Bailey (art forger)
                                    Mako
Secret Agent Fong
                                    Elisha Cook Jr.
Jeb
                                    Ruth Warrick
Mrs. Applebee
                                    John Fiedler
Brother Dismas Ostracorn - Explosives
                                    John Larch
Sheriff of Friendly
                                    Peter Whitney
Brother Jordan Cass - Tunneling
                                    Norman Alden
The Great Gregory - Balloonist
                                    Grady Sutton
Rev. Simms
                                    Bill Zuckert
Ranger Commander (as William Zuckert)
                                    Bob Steele
First Guard
Ben Aliza
Second Guard
                                    Mickey Simpson
Third Guard
                                    Byron Keith
Deputy
                                    Kenny Endoso
Chinese Laundryman
Roy K. Ogata
Chinese Laundryman (as Roy Ogata)
George Sasaki
Chinese Laundryman
Yoneo Iguchi
Chinese Laundryman
Hiroshi Hissamuni
Chinese Laundryman
Le plus grand des hold-up
Released