Sidney Blackmer
Police Commissioner Thatcher Colt
Rick Vallin
Anthony 'Tony' Abbot (as Ricki Vallin)
Byron Foulger
Everett P. Digberry
Herbert Rawlinson
District Attorney Bill Dougherty
Lynn Starr
Miss Spencer
Barry Bernard
Capt. Edgar Walters / Frank Galloway
Trude Rosen
Nina Politza
Thornton Edwards
Enrico Lombardi
John Ince
Police Captain Mike Flynn
Martin Ashe
Officer Murphy
Walter James
Police Captain Tom Henry
Frank Darien
Samuel Wilkins
Joseph DeVillard
Antonio Spogucci (as Joseph M. De Villard)
Jacques Vanaire
Guiseppe Bartarelli (as Jack Vanaire)
