"When Maureen Coyle, a suicidal nun who resembles Norman's former victim, Marion Crane, arrives at the motel, all bets are off and "Mother" is less than happy."
Anthony Perkins
as Norman Bates
Diana Scarwid
as Maureen Coyle
Jeff Fahey
as Duane Duke
Roberta Maxwell
as Tracy Venable
Hugh Gillin
as Sheriff John Hunt
Lee Garlington
as Myrna
Robert Alan Browne
as Ralph Statler
Gary Bayer
as Father Brian
Patience Cleveland
as Sister Margaret
Juliette Cummins
as Red
Steve Guevara
as Deputy Leo
Katt Shea
as Patsy
Brinke Stevens
as Body Double
Donovan Scott
as Kyle
Diane Rodriguez
as Nun
Virginia Gregg
as Norma Bates (voice)
Claudia Bryar
as Emma Spool (archive footage) (uncredited)
Janet Leigh
as Marion Crane (archive footage) (uncredited)
Hilton A. Green
Producer
Carter Burwell
Original Music Composer
Bruce Surtees
Director of Photography
Charles Edward Pogue
Screenplay
Director
David E. Blewitt
Editor
Nancy Nayor
Casting
Marla Schlom
Costume Design
Roger Heman Jr.
Sound Re-Recording Mixer
Michael C. Casper
Peter V. Saldutti
Jeffrey Wilhoit
Foley
Louis R. Cooper
Special Effects
Betty A. Griffin
Script Supervisor
Booker McClay
Publicist
Vivian McAteer
Hairstylist
John J. Stephens
Michael Westmore
Makeup Effects
Rick Neff
Camera Operator
Michael Dugan
Underwater Camera
Henry Bumstead
Production Design
Mickey S. Michaels
Set Decoration
Karl G. Miller
Liza Stewart
Set Costumer
Danny Lester
Mark Reedall
Makeup Artist
John Stacy
Supervising Sound Editor
Bob Yerkes
Stunt Coordinator
Syd Dutton
Visual Effects
Brian O'Dowd
Christine M. Loss
Still Photographer
Robert Bloch
Original Story
Don Zepfel
Associate Producer
James Thompson
Sound Recordist
George Cheung
Stunts