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I Know What You Did Last Summer (1997)

R  |   |  Horror, Mystery, Thriller  |  17 October 1997 (USA)
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Ratings: 5.6/10 from 98,908 users   Metascore: 52/100
Reviews: 415 user | 136 critic | 17 from

Four teens are in great danger one year after their car hits a stranger whose body they dump in the sea.



(novel), (screenplay)
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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


Adaptation of Lois Duncan's thriller about four teenagers trying to cover up a hit-and-run. Love Hewitt plays Julie, a high school senior who goes trip with her friends and accidently hits a fisherman. They think he is dead and dump him into the waters. But later they get a strange letter that says "I know what you did last summer." Written by Lawless <>

Plot Summary | Plot Synopsis


Someone's got a hook to wield... 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
See  »

Did You Know?


(at around 38 mins) "Hush" from the soundtrack (played fully over the end credits) is heard briefly on the radio of Barry's car. See more »


(at around 14 mins) As the body hit the automobile, the kids were driving on mountainous terrain along the coast. There are no mountains anywhere in the North Carolina shore area. See more »


Helen: We should have a plan. Angela Lansbury always had a plan.
See more »


Spoofed in I'll Always Know What You Did Last Summer (2006) See more »


You're a Grand Old Flag
Written by George M. Cohan
Performed by the North Brunswick High School Band
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Frequently Asked Questions

See more (Spoiler Alert!) »

User Reviews

One of the Better Post-Scream Slashers
16 June 2015 | by (Louisville, KY) – See all my reviews

I Know What You Did Last Summer (1997)

*** (out of 4) Jennifer Love Hewitt, Sarah Michelle Gellar, Ryan Phillippe and Freddie Prinze, Jr. play a group of friends who are drinking and having a good time but on the way home they accidentally run over a man and kill him. They decide it's best not to go to the police fearing murder charges so they dump his body but a year later they begin getting harassed.

Thanks to the success of Wes Craven's SCREAM the horror genre got a boost and soon after one slasher after another was being released. Out of all of them this one here is the best in my opinion because Kevin Williamson's screenplay goes away from all the self-mocking and instead delivers a very good story that works perfect as a drama but it also features the horror elements that slasher fans would come to expect. Throw in a very good cast and some likable characters and we're left with one of the better horror films to come out of this period. If SCREAM was a classic like HALLOWEEN then this here is more like a good stepchild in the same vein as a Friday THE 13TH.

The thing I enjoyed most about this was the actual personal story of these four people who find their lives changed over a bad decision. The set up itself is pretty simple but it works extremely well because we've all been young and made foolish decisions and one of the best moments in the film comes when the four teens must decide whether or not to go to the cops. Their reasoning behind it is interesting and their thought process is something you don't typically see in a slasher. The damage that their decision has on their lives is something else brought up in the screenplay that works extremely well. All of this happens before we even get to the horror elements. The mystery surrounding the killer keeps you guessing for certain.

The horror elements are all extremely good. I know some make fun of the "Captain Gordon" outfit but I thought it was rather effective and brought back memories from the giallo days of the 70s when killers wore nothing but black. Another thing that works are the actual chase scenes, which director Jim Gillespie manages to build up some nice tension. It also doesn't hurt that you actually like the characters, can connect with them and you don't want to see them killed. Hewitt, Gellar and Phillippe are all extremely good and believable in their roles as is Anne Heche in her supporting bit. Prinze Jr. is probably better here than anytime in his career, although that's not too much support I'm giving him.

I KNOW WHAT YOU DID LAST SUMMER certainly has a few flaws including the movie getting dragged out in the third party but overall it's a highlight of what the genre had to offer after the success of SCREAM.

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Such great atmosphere in this movie horrormovieextras
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Elsa and Helen sarasong101
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