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I Know What You Did Last Summer poster

I Know What You Did Last Summer (2021)

2021 • 1 season • Drama, Mystery • TV-MA
JustWatch▼ 124#6227IMDb5.4/1011,110TMDB64%227Rotten Tomatoes—Metacritic—
On September 22, 2026
#3639▼ 1172
3639th by Pulse TV show online
2.6PULSEPulse MeterOur daily Pulse Meter measures public activity and popularity signals across the web.How it works →

Cast of I Know What You Did Last Summer

8 credited roles

Madison Iseman
Madison Iseman
Lennon / Alison
Bill Heck
Bill Heck
Bruce
Brianne Tju
Brianne Tju
Margot
Zeke Goodman
Zeke Goodman
Dylan
Ashley Moore
Ashley Moore
Riley
Fiona Rene
Fiona Rene
Lyla
Cassie Beck
Cassie Beck
Courtney
Brooke Bloom
Brooke Bloom
Clara

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