Julie / Millicent Larimore / Therese Larimore / Amelia
Karen Black
Chad Foster
Robert Burton
Thomas Amman
John Karlen
Dr. Chester Ramsey
George Gaynes
Eddie Nells
Jim Storm
Anne Richards
Kathryn Reynolds
Motel Clerk
Orin Cannon
Arthur Moore
Gregory Harrison
Tracy
Tracy Curtis
Zuni Fetish Doll (voice) (uncredited)
Walker Edmiston
Director
Dan Curtis
Producer
Original Music Composer
Bob Cobert
Screenplay
Richard Matheson
Story
Makeup Artist
Michael Westmore
Hairstylist
Kathryn Blondell
First Assistant Director
Art Levinson
Unit Production Manager
Robert J. Koster
Post Production Supervisor
David McCann
Sound Mixer
James Pilcher
Construction Coordinator
Lowell Thomas
Special Effects
Richard Albain
Other
Erik von Buelow
Assistant Camera
Michael Simpson
Key Grip
Bob Rose
Costume Supervisor
John S. Perry
Costumer
Barbara Siebert
Production Assistant
Lois Kerst
Craig Morse
Associate Producer
Robert Singer
Director of Photography
Paul Lohmann
Teleplay
William F. Nolan
Editor
Les Green
Casting
Gail Melnick
Art Direction
Jan Scott
Set Decoration
Leonard A. Mazzola