Paul Douglas
— Gus MacAuliffe
John Derek
— Father Gil Allen
Jody Lawrance
— Pearl Gorman
Cesar Romero
— Tony Lorenzo
Ernest Truex
— Father Ritchie
Richard Shannon
— Tom Kelly
Ricky Vera
— Pepito (as Ricky Vera)
Robert Cornthwaite
— Dr. Lomas
Edith Evanson
— Stella
Lou Nova
— Tiger
Baynes Barron
— Tony's Henchman
Babette Bain
— Dolores (uncredited)
Bill Baldwin
— Fight Announcer (uncredited)
Richard Bender
— Boy (uncredited)
Mary Benoit
— Nurse (uncredited)
Estelle Etterre
— Nurse with Iron Lung (uncredited)