"A series of gruesome accidents plague a small American farming community in the summer of 1935, encircling two identical twin brothers and their family."
Uta Hagen
as Ada
Diana Muldaur
as Alexandra
Chris Udvarnoky
as Niles Perry
Martin Udvarnoky
as Holland Perry
Norma Connolly
as Aunt Vee
Victor French
as Angelini
Loretta Leversee
as Winnie
Lou Frizzell
as Uncle George
Portia Nelson
as Mrs. Rowe
Jenny Sullivan
as Torrie
John Ritter
as Rider
Jack Collins
as Mr. P.C. Pretty
Ed Bakey
as Chan-yu
Clarence Crow
as Russell
Bob Melvin
as Sideshow Man (uncredited)
Angelo Rossitto
as Sideshow Performer (uncredited)
Carolyn Stellar
as Woman in the Mirror (uncredited)
Joanne Riggs
as Chan-yu's Assistant (uncredited)
Robert Mulligan
Director
Tom Tryon
Screenplay
Albert Brenner
Production Design
Producer
O. Nicholas Brown
Editor
Folmar Blangsted
Novel
Jerry Goldsmith
Original Music Composer
Executive Producer
Robert Surtees
Director of Photography
Jack Martin Smith
Art Direction
Ruby R. Levitt
Set Decoration
Dorothy White
Hairstylist
Clarence Fay Konkel
Carpenter
Alixe Gordin
Casting
Bill Parks
Construction Coordinator
Don Kranze
Assistant Director
Bert Gold
Associate Producer
Don J. Bassman
Sound
Bud Gray
Still Photographer
Dan Lambert
Key Grip
John Barnwell
Second Assistant Director
Walter M. Scott
Mark Sandrich Jr.
Earl W. Huntoon, Jr.
Leadman
Ward Preston
Assistant Art Director
Earl Kennedy
Gaffer
Jack Solomon
Al Yaylian
Boom Operator
James R. Connell
Camera Operator
William J. Kenney
Barry Bedig
Property Master
Joe DiBella
Makeup Artist
Richard Barth
First Assistant Camera
Arthur Morton
Orchestrator
Local Casting
Joanne Haas
Costumer
Thomas Welsh
Jim Riggs
Alexander Courage
Music Arranger
Music
Conductor
Ray Quiroz
Script Supervisor
Emil Richards
Musician
Aram Betkijian
Transportation Captain
Estelle Schaffe
Production Secretary