Bruce Cabot
— Jim 'Silk' Loomis
Beverly Roberts
— Susan Holland
Ben Welden
— Marty Dayton
Horace McMahon
— Max Hooker
John Wray
— Joe Turner
Jay Novello
— Hobart
Charles C. Wilson
— Commissioner
Byron Foulger
— Dr. Belknap
Paul Bryar
— Wheeler
Walter Sande
— Detective Faber
Ralph Dunn
— Detective Egan
Julian Petruzzi
— Jerry Simons
Tommy Ryan
— Tommy Turner, the 'Tenth Avenue Kid'
Dick Elliott
— Gun salesman
Joe Devlin
— Thug playing cards