- Bruce Dern - Sailor
- Henry Beckman - First Detective
- S. John Launer - Sam Ward
- Edith Evanson - Rita
- Meg Wyllie - Mrs. Turpin
- Leon Alton - Party Guest (uncredited)
- John Alvin - Hotel Chauffeur (uncredited)
- Kimberly Beck - Jessie Cotton (uncredited)
- Lillian Bronson - Mrs. Maitland (uncredited)
- George Bruggeman - Racetrack Patron (uncredited)
- Linden Chiles - Office Worker (uncredited)
- Rupert Crosse - Office Worker (uncredited)
- Harold Gould - Mr. Garrett (uncredited)
- John Hart - Dr. Gilliat (uncredited)
- Alfred Hitchcock - Man Leaving Hotel Room (uncredited)
- Kenner G. Kemp - Party Guest (uncredited)
- Caryl Lincoln - Party Guest (uncredited)
- Louise Lorimer - Mrs. Strutt (uncredited)
- Milton Parsons - Bald Man (uncredited)
- Carmen Phillips - Sidney Strutt's Secretary (uncredited)
- Murray Pollack - Husband (uncredited)
- Paul Power - Racetrack Patron (uncredited)
- Greg Rhinelander - Party Guest (uncredited)
- Mark Russell - Party Guest (uncredited)
- Melody Thomas Scott - Young Marnie (uncredited)
- Bert Stevens - Party Guest (uncredited)
- Hal Taggart - Racetrack Patron (uncredited)
- Tim Taylor - Party Guest (uncredited)
- Luree Wiese - Party Guest (uncredited)
- Emmaline Henry - Minor role (uncredited)
- Bryan O'Byrne - Rutland Doorman (uncredited)
- Pearl Shear - Woman in Restroom (uncredited)
- Charles Thompson - Party Guest Charlie (uncredited)
- Alfred Hitchcock
- Hilton A. Green
- James H. Brown
- William Witney
- Patricia Casey
- Jay Presson Allen
- Alfred Hitchcock
- Hilton A. Green
- Bernard Herrmann
- Waldon O. Watson
Tippi Hedren interpreta a Marnie Edgar en la película.
Sean Connery hace el papel de Mark Rutland.
Diane Baker hace el papel de Lil Mainwaring.
Martin Gabel interpreta a Sidney Strutt en la película.
Louise Latham interpreta a Bernice Edgar en la película.
Bob Sweeney hace el papel de Cousin Bob.
Milton Selzer interpreta a Man at Track en la película.
Mariette Hartley interpreta a Susan Clabon en la película.
Alan Napier interpreta a Mr. Rutland en la película.
Bruce Dern interpreta a Sailor en la película.
Henry Beckman interpreta a First Detective en la película.
S. John Launer hace el papel de Sam Ward.
Edith Evanson interpreta a Rita en la película.
Meg Wyllie hace el papel de Mrs. Turpin.
Leon Alton hace el papel de Party Guest (uncredited).
John Alvin interpreta a Hotel Chauffeur (uncredited) en la película.
Kimberly Beck interpreta a Jessie Cotton (uncredited) en la película.
Lillian Bronson interpreta a Mrs. Maitland (uncredited) en la película.
George Bruggeman interpreta a Racetrack Patron (uncredited) en la película.
Linden Chiles interpreta a Office Worker (uncredited) en la película.
Rupert Crosse hace el papel de Office Worker (uncredited).
Harold Gould hace el papel de Mr. Garrett (uncredited).
John Hart interpreta a Dr. Gilliat (uncredited) en la película.
Alfred Hitchcock interpreta a Man Leaving Hotel Room (uncredited) en la película.
Kenner G. Kemp hace el papel de Party Guest (uncredited).
Caryl Lincoln interpreta a Party Guest (uncredited) en la película.
Louise Lorimer hace el papel de Mrs. Strutt (uncredited).
Milton Parsons hace el papel de Bald Man (uncredited).
Carmen Phillips interpreta a Sidney Strutt's Secretary (uncredited) en la película.
Murray Pollack interpreta a Husband (uncredited) en la película.
Paul Power interpreta a Racetrack Patron (uncredited) en la película.
Greg Rhinelander hace el papel de Party Guest (uncredited).
Mark Russell hace el papel de Party Guest (uncredited).
Melody Thomas Scott interpreta a Young Marnie (uncredited) en la película.
Bert Stevens hace el papel de Party Guest (uncredited).
Hal Taggart interpreta a Racetrack Patron (uncredited) en la película.
Tim Taylor hace el papel de Party Guest (uncredited).
Luree Wiese interpreta a Party Guest (uncredited) en la película.
Emmaline Henry hace el papel de Minor role (uncredited).
Bryan O'Byrne interpreta a Rutland Doorman (uncredited) en la película.
Pearl Shear interpreta a Woman in Restroom (uncredited) en la película.
Charles Thompson hace el papel de Party Guest Charlie (uncredited).
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