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I Saw What You Did ()


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Teenagers Libby and Kit innocently spend an evening making random prank calls that lead to murderous consequences.

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Cast verified as complete

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Amy Nelson
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Steve Marak
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Dave Mannering
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Kit Austin (as Sarah Lane)
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Libby Mannering
Sharyl Locke ...
Tess Mannering
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Ellie Mannering
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John Austin
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Trooper
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Judith Marak
Rest of cast listed alphabetically:
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Jill Adams (uncredited)
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Police Sgt. Harris (uncredited)
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Telephone Operator (uncredited)
John Crowther ...
Tommy Kane (uncredited)
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Tom Ward (uncredited)
Janet Hamill ...
Linda Carson (uncredited)
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Gerald Nyes (uncredited)
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John Adams (uncredited)
Barbara Wilkin ...
Mary Ward (uncredited)

Directed by

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William Castle

Written by

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William P. McGivern ... (screenplay) (as William McGivern)
 
Ursula Curtiss ... (novel)

Produced by

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William Castle ... producer
Dona Holloway ... associate producer

Music by

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Van Alexander

Cinematography by

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Joseph F. Biroc ... director of photography (as Joseph Biroc)

Editing by

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Edwin H. Bryant

Art Direction by

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Alexander Golitzen
Walter M. Simonds

Set Decoration by

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John McCarthy Jr. ... (as John McCarthy)
George Milo

Makeup Department

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Larry Germain ... hair stylist
Bud Westmore ... makeup artist

Production Management

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John Morrison ... unit production manager

Second Unit Director or Assistant Director

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Terry Morse Jr. ... assistant director

Sound Department

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David H. Moriarty ... sound (as David Moriarty)
Waldon O. Watson ... sound

Music Department

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Joseph Gershenson ... music supervisor
Ethmer Roten ... musician: flute (uncredited)

Additional Crew

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Frank Weatherwax ... dog trainer
Crew believed to be complete

Production Companies

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Distributors

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Special Effects

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Storyline

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Plot Summary

Mid-teen friends Libby Mannering and Kit Austin, along with Libby's young adolescent sister Tess Mannering, are spending the evening together at the Mannerings' isolated country home without any adult supervision, Mr. and Mrs. Mannering who trust Libby to babysit Tess for the first time in keeping to their out of town overnight plans even after their original babysitter had to cancel at the last minute. Struggling for things to do in their isolation, the three decide to do something Libby and Tess do occasionally, which is to make prank telephone calls to people they don't know chosen randomly out of the telephone book. While the nature of the initial calls are all over the map, they eventually settle on a set script spoken seductively: "I saw what you did and I know who you are." While they receive a variety of responses from the people they call, they are especially intrigued by that of Steve Marak, who impressionable Libby, the caller in this instance, falls for by voice and response alone. What none of Libby, Kit and Tess are aware of is that the reason for Steve's interest in the call is that he has just murdered and buried his wife, Judith Marak, in their continuing troubles, which Judith may or may not have known includes infidelity on Steve's part with their neighbor, Amy Nelson. With the call, Steve is afraid that the caller saw him murder and/or bury Judith. The call begins Kit and Steve's mutual obsession with each other, but for different reasons, Steve's which is to discover who the caller is and how to find her to dispose of her. Factoring into what happens is controlling Amy, who is obsessed with Steve herself, he in return having no intention of doing what she wants which is to make her the next Mrs. Marak. Written by Huggo

Plot Keywords
Taglines Don't laugh little girl, better run for your life. The man you were talking to, has just murdered his wife! See more »
Genres
Parents Guide View content advisory »
Certification

Additional Details

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Also Known As
  • In Case of Murder (United States)
  • In Case of Emergency (United States)
  • I Saw What You Did and I Know Who You Are! (United States)
  • Out of the Dark (United States)
  • Tuer n'est pas jouer (France)
  • See more »
Runtime
  • 82 min
Country
Language
Color
Aspect Ratio
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Filming Locations

Did You Know?

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Trivia Joan Crawford was approached for this film one month after she left Hush...Hush, Sweet Charlotte (1964) due to an "ailment" that prevented her from working (which is believed to have actually been sick of working with her arch enemy Bette Davis). Therefore, William Castle requested that Crawford's doctors sign a statement attesting that she was completely well before giving her the role. See more »
Goofs During the struggle in the shower with Marek and his wife, her hair goes back and forth from wet, dry, then back to wet again. See more »
Movie Connections Featured in Coming Soon (1982). See more »
Crazy Credits Closing credit (over picture of phone lines): "The End of the Line." See more »
Quotes [repeated line]
Libby Mannering, Kit Austin: I saw what you did, and I know who you are.
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