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