Gene Evans as Det. Sgt. Fred Janusz

Scott Marlowe as Richard Edward 'Rick' Braden

Carolyn Kearney as Valerie Whitman

Robert Arthur as Jerry Coltrin

Weston Gavin as 'Allie' Allison

Tom Gilson as Bruce 'Beejay' Phillips

Ken Lynch as David Whitman

Emlen Davies as Mrs. Whitman

Morris Ankrum as Police Capt. Egan

Wendell Holmes as Lewis J. Christopher

John Zaremba as Sgt. Larsen

Gavin MacLeod as Mac (uncredited)