Maj. James 'Jim' Lassiter
Richard Boone
Capt. Haven
Stuart Whitman
Blondebeard
Kevin Hagen
Col. Theron Pardee
Edmond O'Brien
Chico - Cantina Owner (uncredited)
Timothy Carey
Anita (uncredited)
Marie Gomez
Juan Luis Rodriguez
Anthony Franciosa
Sgt. Franklyn
Jim Brown
Sally
Wende Wagner
Col. Wagner
Warner Anderson
Bloodshirt
Rodolfo Acosta
Croupier
Barry Kelley
Mexican Bandit
Vito Scotti
Pardee Officer
House Peters Jr.
Original Music Composer
Jerry Goldsmith
Director
Gordon Douglas
Screenplay
Clair Huffaker
Joseph Landon
Novel
Producer
David Weisbart
Director of Photography
Joseph MacDonald
Editor
Joseph Silver
Stunts
Bobby Somers