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
Story
Richard Matheson
Screenplay
Makeup Artist
Michael Westmore
Other
Erik von Buelow
Costumer
Barbara Siebert
Unit Production Manager
Robert J. Koster
Construction Coordinator
Lowell Thomas
Key Grip
Bob Rose
Production Assistant
Lois Kerst
Sound Mixer
James Pilcher
Assistant Camera
Michael Simpson
Costume Supervisor
John S. Perry
Craig Morse
Hairstylist
Kathryn Blondell
Special Effects
Richard Albain
Post Production Supervisor
David McCann
First Assistant Director
Art Levinson
Teleplay
William F. Nolan
Director of Photography
Paul Lohmann
Associate Producer
Robert Singer
Casting
Gail Melnick
Art Direction
Jan Scott
Set Decoration
Leonard A. Mazzola
Editor
Les Green