Director
Noel M. Smith
DIRECTOR
Ray Taylor
Stars (in credits order)
Kent Taylor
Det. Lt. Bill Bannister
Irene Hervey
Vicki Logan
Ralph Morgan
Dr. Clayton Maxton - aka Prof. Mortis
Robert Armstrong
Det. Tim Nolan
Richard Davies
Happy Haskins
Joseph Crehan
Police Chief Martin O'Brien
George Watts
Mayor Hansen
Ralf Harolde
Halliger
John Gallaudet
Wilkinson
William Haade
Mike Taboni
Victor Zimmerman
Ted Lane - aka Barnard
George J. Lewis
Joey Morrison - aka Mason
John Berkes
Mr. Grub
Pat O'Malley
Crandall - Police Lab
Hugh Beaumont
Announcer (voice)
Robert Barron
Police Direction Finder - Car 27 [Ch. 1] (uncredited)
Chet Brandenburg
Detective (uncredited)
Kernan Cripps
Police Direction Finder [Ch. 6] (uncredited)
Grace Cunard
Taboni's Landlady [Ch. 1] (uncredited)
Eddie Dean
Blair - Police Lab Technician [Ch. 1] (uncredited)
William Desmond
Rogan's Death Witness [Ch. 4] (uncredited)
George Eldredge
Policeman at Bank [Ch. 7] (uncredited)
Edward Emerson
Frenchy Ludoc [Chs. 5, 7-8] (uncredited)
Eddie Fetherston
Ground Radioman at Airport [Ch. 2] (uncredited)
Eddie Foster
Jerry Rogan [Chs. 3-4] (uncredited)
Art Fowler
Mechanic [Ch. 2] (uncredited)
Jack Gardner
Police HQ Radio Disptacher [Ch. 2-4, 7] (uncredited)
Alan Gregg
Byrnes - Armored Car Driver [Chs. 8-9] (uncredited)
Karl Hackett
Henry - Crooked Watchman [Chs. 7-8] (uncredited)
Riley Hill
Jim Bannister [Ch. 1] (uncredited)
Jerry Jerome
Soupy Collins [Chs. 10-11] (uncredited)
Milton Kibbee
Railroad Station Master [Ch. 11] (uncredited)
Ethan Laidlaw
Ludoc's Bartender [Chs. 5, 7-8] (uncredited)
Frank Marlowe
Garage Attendant [Ch. 2] (uncredited)
Charles McAvoy
Turnkey [Ch. 2] (uncredited)
Charles McMurphy
Gardner - Police Officer [Ch. 3] (uncredited)
Paul McVey
J.B. Malloy [Ch. 12] (uncredited)
Chuck Morrison
Pilot (uncredited)
Jack Mulhall
Richards - Police Lab Tech. [Chs. 9, 11] (uncredited)
Gene O'Donnell
Reporter (uncredited)
Frank Penny
Jack Perrin
Police Direction Finder - Car 64 [Ch. 1] (uncredited)
Stanley Price
Corky Watts [Chs. 4-6] (uncredited)
Bob Reeves
Police Officer (uncredited)
Beatrice Roberts
O'Brien's Secretary (uncredited)
Jeffrey Sayre
Detective Assigned to Trail Barnard [Ch. 2] (uncredited)
Charles Sherlock
Detective at Taboni Interrogation [Ch. 2] (uncredited)
Mickey Simpson
Bruiser Ludoc's Doorman-Henchman [Chs. 5, 8] (uncredited)
Jack C. Smith
Police Desk Sergeant [Ch. 2] (uncredited)
Tom Steele
Policeman [Ch. 3] (uncredited) (archiveFootage)
Phil Warren
McKay - Payroll Henchman [Chs. 8-9] (uncredited)
Chalky Williams
Carleton Young
Highway Patrolman [Chs. 8, 11] (uncredited)