"When college professor, Peter Proud begins experiencing flashbacks of an earlier life, he's mysteriously drawn to a place he's never been to, but which seems familiar and where he soon finds his previous incarnation's wife."
Michael Sarrazin
as Peter Proud
Jennifer O'Neill
as Ann Curtis
Margot Kidder
as Marcia Curtis
Cornelia Sharpe
as Nora Hayes
Paul Hecht
as Dr. Samuel Goodman
Tony Stephano
as Jeff Curtis
Norman Burton
as Dr. Frederick Spear
Anne Ives
as Ellen Curtis
Debralee Scott
as Suzy
Steve Franken
as Dr. Charles Crennis
Fred Stuthman
as Pop Johnson
Lester Fletcher
as Car Salesman
Paul Nevens
as Room Clerk
Breanna Benjamin
as Miss Hagerson
Addison Powell
as Reeves
Phillip Clark
as Number Five
Gene Boland
as Charlie
Albert Henderson
as Police Sergeant
Connie Garrison
as Ellie
Sam Laws
as Satan's Disciple
Mary Margaret Amato
as Nurse
Terry Green
as College Student
Jacqueline Manning
as Lab Assistant
Henry Cosimini
as Square Dance Caller
Douglas Rutherford
as Club Steward
Marjorie Eaton
as Astrology Lady (as Marjorie Morley Eaton)
Shelley St. Clair
as Bookstore Clerk
Jon Richards
as Newspaper Custodian
Charles A. Pratt
Executive Producer
Frank P. Rosenberg
Producer
Jerry Goldsmith
Original Music Composer
Jack Martin Smith
Production Design
Robert De Vestel
Set Decoration
Barbara Krieger
Jack H. Young
Makeup Artist
Hal Blair
Production Manager
David 'Buck' Hall
Second Unit
Jack Brown
Camera Intern
John Caper Jr.
Music Editor
Dan Wallin
Scoring Mixer
Margaret Hanly
Script Supervisor
Max Ehrlich
Writer
J. Lee Thompson
Director
Jim Danforth
Visual Effects
Michael F. Anderson
Editor
Terence Anderson
Additional Editor
Irving Lande
Casting
Art Direction
Bob O'Bradovich
Mike Maggi
Assistant Director
Ralph S. Singleton
Second Assistant Director
Gary Daigler
Bernard F. Pincus
Sound Editor
John Wilkinson
Sound Re-Recording Mixer
Andrew Gilmore
Production Sound Mixer
Matte Painter
Novel
Virginia Jones
Hairstylist
Victor J. Kemper
Director of Photography