All Cast
Victor Buono
Leo Kroll
David McLean
Lt. Frank Benson
Diane Sayer
Barbara Wells
Davey Davison
Tally Raymond
Baynes Barron
Sgt. Mack Clyde
Ellen Corby
Mrs. Kroll
Russ Bender
Dr. Clarence Sanford
Jeanne Bates
Clara Thomas
Mimi Dillard
Thelma
Selette Cole
Helen Lawson
Michael Ryan
Detective Mel Posner
Wally Campo
Eggerton
Byron Morrow
Dr. Morton
John Yates
Intern
James B. Sikking
Police Sketch Artist
Robert Cranford
Jack Rosten
Fred Aldrich
Apartment House Manager (uncredited)
Benjie Bancroft
Police Officer (uncredited)
Fred Fisher
Detective (uncredited)
Kenner G. Kemp
Detective (uncredited)