Victor Buono
Leo Kroll
David McLean
Lt. Frank Benson
D
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
M
Mimi Dillard
Thelma
S
Selette Cole
Helen Lawson
M
Michael Ryan
Detective Mel Posner
Wally Campo
Eggerton
Byron Morrow
Dr. Morton
J
John Yates
Intern
James B. Sikking
Police Sketch Artist
R
Robert Cranford
Jack Rosten
Fred Aldrich
Apartment House Manager (uncredited)
B
Benjie Bancroft
Police Officer (uncredited)
F
Fred Fisher
Detective (uncredited)
Kenner G. Kemp
Detective (uncredited)
V
Victor Masi
Attendant (uncredited)