- Country: USA
- Genres: Horror, Mystery, Thriller
- Release: 2021-10-15
- Director: N/A
- Writers: N/A
- Language: English
- Stars: Madison Iseman , Madison Iseman , Brianne Tju , Bill Heck , Ezekiel Goodman , Ashley Moore , Fiona Rene , Cassie Beck , Brooke Bloom , Sonya Balmores , Danielle Delaunay
- Runtime: min
- Awards: 1 win & 1 nomination
- AKA: Viem, čo ste robili minulé leto (Slovakia (Slovak Republic)) , Знам шта сте радили прошлог лета (Serbia) , Sé lo que hicieron el verano pasado (Mexico) , Jeg vet hva du gjorde i fjor sommer (Norway) , I Know What You Did Last Summer (South Africa) , I Know What You Did Last Summer (India) , Ich weiß, was Du letzten Sommer getan hast (Germany) , Le Pacte du Silence (Canada) , Jag vet vad du gjorde förra sommaren (Sweden) , I Know What You Did Last Summer (United Arab Emirates) , I Know What You Did Last Summer (Japan) , I Know What You Did Last Summer , So cosa hai fatto (Italy) , Koszmar minionego lata (Poland) , Ξέρω τι κάνατε πέρυσι το καλοκαίρι (Greece) , I Know What You Did Last Summer (Netherlands the) , I Know What You Did Last Summer. (Canada) , Sé lo que hicisteis el último verano (Spain) , I Know What You Did Last Summer (Thailand) , I Know What You Did Last Summer (Indonesia) , I Know What You Did Last Summer (Philippines) , I Know What You Did Last Summer (Korea) , I Know What You Did Last Summer (India) , I Know What You Did Last Summer (Australia) , I Know What You Did Last Summer (United Kingdom) , ラストサマー (Japan) , Tudom, mit tettél tavaly nyáron (Hungary) , Eu Sei O Que Vocês Fizeram no Verão Passado (Brazil) , I Know What You Did Last Summer (Turkey) , I Know What You Did Last Summer (United States of America) , Sé lo que hicieron el verano pasado (Argentina) , Я знаю, что вы сделали прошлым летом (Russian Federation) , I Know What You Did Last Summer (Singapore) , Souviens-toi... l'été dernier (France, French Republic)我知道你去年夏天干了什么 (China)
- Plot: In a town full of secrets, a group of teenagers are stalked by a mysterious killer a year after a fatal accident on their graduation night.
- IMDB:tt10937180
I Know What You Did Last Summer Cast · · · ALL
Madison Iseman
Lennon / Alison
Bill Heck
Bruce
Brianne Tju
Margot
Ezekiel Goodman
Dylan
Ashley Moore
Riley
Fiona Rene
Lyla
Cassie Beck
Courtney
Brooke Bloom
Clara