Rena Carter
Meredith Baxter
Prof. Roger Edmonds
David Hedison
Dr. Reinhart
John Abbott
Donovan
Virgil Frye
Bert
William Sims
Hester Black
Gale Sondergaard
The Hotel Clerk
John Carradine
Sherry
Renne Jarrett
The Thief - Joe Sung
Keye Luke
Frank Lucas
Kent Smith
Lt. Marco
Stuart Whitman
Deputy Coroner
Milton Parsons
Pawnbroker
Peter Lorre Jr.
Story
Robert Bloch
Teleplay
Original Music Composer
Leonard Rosenman
Assistant Director
Robert J. Anderson
Associate Producer
Director
Curtis Harrington
Wilford Lloyd Baumes
Set Decoration
Audrey A. Blasdel
Editor
Stan Ford
Makeup Supervisor
Ben Lane
Art Direction
Ross Bellah
Cary Odell
Special Effects
Roy Maples
Title Designer
Phill Norman
John Franco Jr.
Douglas S. Cramer
Director of Photography
Charles Rosher Jr.
Producer
Casting
Sally Powers