Frank Woodruff Director Dennis O'Keefe Lt. Bill Mason Actor Judith Anderson Slade Actor Frances Neal Ann Rogers Actor Mildred Coles Mary Jordan Powell Actor Eric Blore Mr. Hartford Actor Marc Lawrence Lefty Landers Actor Damian O'Flynn Lt. Onslow Actor Andrew Tombes Lt. Onslow Actor Marion Martin Ruby, Mary Jordan Actor Rand Brooks James "Jimmy" Powell Actor Arthur Shields Matt Willis Actor Lee Bonnell George Atkins Actor Harry Burns Big "Sem" Semenoff Actor Horace McMahon Mullen Actor Eddie Conrad Room Service Waiter Actor Joey Ray Mr. Barlowe Actor Charles Halton Mr. Pinchback Actor Ruth Dietrich Pinchback's Secretary Actor Robert Middlemass Police Capt. Lovell Actor Harry Humphrey Tied-Up Watchman Actor Bert Howard Mr. Tuckerman Actor Claire McDowell Mrs. Tuckerman Actor Cliff Reid Producer Arnaud d'Usseau Screenwriter Richard Collins Screenwriter Nicholas Musuraca Cinematographer Harry Marker Film Editing Van Nest Polglase Art Director