Currently available on 3 streaming services.

Psycho - watch online: stream, buy or rent

You can buy "Psycho" on Apple TV, Microsoft Store as download or rent it on Microsoft Store, Neon TV, Apple TV online.

Cast

Anthony Perkins
Norman Bates
Janet Leigh
Marion Crane
Vera Miles
Lila Crane
John Gavin
Sam Loomis
Martin Balsam
Private Det. Milton Arbogast
John McIntire
Sheriff Al Chambers
Simon Oakland
Dr. Fred Richman
Frank Albertson
Tom Cassidy
Patricia Hitchcock
Caroline
Vaughn Taylor
George Lowery
Lurene Tuttle
Mrs. Chambers
John Anderson
California Charlie
Mort Mills
Highway Patrol Officer
Fletcher Allen
Policeman on Steps (uncredited)
Walter Bacon
Church Member (uncredited)
Kit Carson
Extra (uncredited)
Francis De Sales
Deputy District Attorney Alan Deats (uncredited)
George Dockstader
Extra (uncredited)
George Eldredge
Police Chief James Mitchell (uncredited)
Harper Flaherty
Extra (uncredited)
Sam Flint
County Sheriff (uncredited)
Virginia Gregg
Norma Bates (voice) (uncredited)
Alfred Hitchcock
Man Outside Office (uncredited)
Paul Jasmin
Norma Bates (voice) (uncredited)
Lee Kass
Extra (uncredited)
Frank Killmond
Bob Summerfield (uncredited)
Ted Knight
Policeman in Hallway Opening Door (uncredited)
Pat McCaffrie
Police Guard (uncredited)
Hans Moebus
Passerby on Sidewalk (uncredited)
Jeanette Nolan
Norma Bates (voice) (uncredited)
Lillian O'Malley
Extra (uncredited)
Robert Osborne
Man (uncredited)
Fred Scheiwiller
Extra (uncredited)
Helen Wallace
Hardware Store Customer (uncredited)