I Know What You Did Last Summer poster

TV Series

I Know What You Did Last Summer (2021)

No one is safe.

TMDB user score 6.4/10
from 259 votes on TMDB

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In a sun-soaked Hawaiian town with a mysterious past, a group of friends is left with a dark secret after a tragic accident. One year later, a member of the group receives a threatening message, and the friends now know that someone intends to make them pay for last summer.

Where to watch I Know What You Did Last Summer

Available on Amazon Prime Video in United States (stream with a subscription).

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Official trailer

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Seasons

Series cast

  • Madison Iseman Madison Iseman Lennon / Alison 8 episodes
  • Bill Heck Bill Heck Bruce 8 episodes
  • Brianne Tju Brianne Tju Margot 8 episodes
  • Zeke Goodman Zeke Goodman Dylan 8 episodes
  • Ashley Moore Ashley Moore Riley 8 episodes
  • Fiona Rene Fiona Rene Lyla 8 episodes
  • Cassie Beck Cassie Beck Courtney 8 episodes
  • Brooke Bloom Brooke Bloom Clara 8 episodes
  • Sonya Balmores Sonya Balmores Mel Gilbert 7 episodes
  • Danielle Delaunay Danielle Delaunay Hannah Scanlon 5 episodes
  • Spencer Sutherland Spencer Sutherland Dale 4 episodes
  • Chrissie Fit Chrissie Fit Kelly Craft 4 episodes
  • Victoria K. Schmidt Officer Ulani Kalama 4 episodes
  • Jason Lee Hoy Jason Lee Hoy Kyle 4 episodes
  • Sterling Sulieman Sterling Sulieman Wade 3 episodes
  • Eddie Kaulukukui Eddie Kaulukukui Carl Gilbert 2 episodes
  • Kekoa Kekumano Kekoa Kekumano Connor Davenport 2 episodes
  • Keola Simpson Keola Simpson Mr. Davenport 2 episodes

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