Cast
Robert Armstrong
Det. Tim Nolan
Richard Davies
Happy Haskins
Joseph Crehan
Police Chief Martin O'Brien
George J. Lewis
Joey Morrison, alias Mason
Pat O'Malley
Police Chemist Crandall
Riley Hill
Jim Bannister
Ralph Morgan
Dr. Clayton Maxton
Ralf Harolde
Halliger
William Haade
Mike Taboni
John Berkes
Mr. Grubb
Kent Taylor
Det. Lt. Bannister
Irene Hervey
Vicki Logan
John Gallaudet
Mr. Wilkerson