I Know What You Did Last Summer (2021) Cast & Crew

Overview · Where to watch · Cast & crew · Reviews

Created by Sara Goodman.

Cast

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

Crew

• Lois Duncan — Novel
• Phoebe Fisher — Producer
• Ian Hultquist — Original Music Composer
• Sofia Hultquist — Original Music Composer

Shows like I Know What You Did Last Summer

If you enjoyed I Know What You Did Last Summer, these TV shows have a similar feel:

• The Better Sister (2025)
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• The Purge (2018)
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• Imperfect Women (2026)
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• Echoes (2022)
• Pretty Little Liars (2010)

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