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I Know What You Did Last Summer (1997)

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After a nasty accident, four friends begin to drift apart. One year later Julie James gets a anonymous message and then a slicker wearing, hook wielding killer begins to rip apart her life.



(novel), (screenplay)
1,619 ( 694)
3 wins & 7 nominations. See more awards »



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Cast overview, first billed only:
Elsa Shivers (as Bridgette Wilson)
J. Don Ferguson ...
Deborah Hobart ...
Mary McMillan ...
Rasool J'Han ...
Dan Albright ...
Lynda Clark ...
Pageant Official


After an accident on a winding road, four teens make the fatal mistake of dumping their victim's body into the sea. But exactly one year later, the dead man returns from his watery grave and he's looking for more than an apology. Written by Anonymous

Plot Summary | Plot Synopsis


This secret is about to kill them all! See more »

Motion Picture Rating (MPAA)

Rated R for strong horror violence and language | See all certifications »

Parents Guide:





Release Date:

17 October 1997 (USA)  »

Also Known As:

Sé lo que hicieron el verano pasado  »

Box Office


$17,000,000 (estimated)

Opening Weekend:

$15,818,645 (USA) (17 October 1997)


$72,219,395 (USA) (10 April 1998)

Company Credits

Show detailed on  »

Technical Specs


| (cut)

Sound Mix:




Aspect Ratio:

2.35 : 1
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Did You Know?


Despite being part of the main cast and appearing in many key scenes together, the characters Helen (Sarah Michelle Gellar) and Ray (Freddie Prinze Jr.) only speak to each other twice (Ray - "How do you know that?" Helen - "Missy, said there was a friend named Billy Blue)" (at around 1h 2 mins) and (Ray - "No, it's not, it's true" Helen "Yeah, I don't think so, Ray") (at around 10 mins). In real life, the two later fall in love and marry. See more »


(at around 1h 30 mins) In the final battle, the fisherman is swinging the hook at Julie but hitting nothing but air. Yet the hook still makes the overused Hollywood "metal on metal" sound despite it not coming in contact with anything. See more »


Julie: We need help.
Barry: I'll say. You two should check out a mirror sometime. You look like shit run over twice.
Helen: You're a prick!
See more »


Followed by I Still Know What You Did Last Summer (1998) See more »


Don't Mean Anything
Written by Adam Cohen and Phil Roy
Performed by Adam Cohen
Courtesy of Columbia Records
By Arrangement with Sony Music Licensing
See more »

Frequently Asked Questions

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User Reviews

Well, the title's pretty good
20 August 2000 | by (Canberra, Australia) – See all my reviews

"I Know What You Did Last Summer" joins "The Spy Who Shagged Me" and "The Cook, the Thief, His Wife and Her Lover" as being yet another film that doesn't even come close to living up to its inspired title. All are bad enough to make me angry at the thought of a good title being squandered.

Kevin Williamson's script suggests nothing so much as a man trying, and failing, to capture the charm of the first couple of seasons of "Buffy, the Vampire Slayer" - this is more obviously a good description of "Scream", but "Scream", and this may surprise some people who've seen it, is better. -Or maybe he wasn't even trying. I'm not sure which is worse. I think Williamson WAS trying for a quality we might term "cred", by having his central characters bitch and squabble all the time. Friends in "Buffy", on the other hand, genuinely support one another. That's a large part of the show's charm. It's a charm that could only have helped Williamson's script, if only by making it more realistic: however much his central characters might have fought amongst themselves in the ordinary course of events, faced with a powerful EXTERNAL threat, they would surely have closed ranks.

Neither this nor "Scream" is particularly bad. The main trouble is that "I Know What You Did Last Summer", as well as wasting a good title, also wastes a good premise. Some teenagers feel guilty after their car accidentally knocks someone down; they hide the body and then they THINK they can just safely sneak back to their old lives ... the story could have gone in many good directions from here, and it's a pity all that occurred to Williamson was to head for regions slasher-horror so well travelled I'm surprised they don't sell souvenirs.

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