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