After an accident on a winding road, four teens make the fatal mistake of dumping their victim's body into the sea. Exactly one year later, the deadly secret resurfaces as they're stalked by a hook-handed figure.
Cast and Crew
Jennifer Love Hewitt
Julie James
Sarah Michelle Gellar
Helen Shivers
Freddie Prinze Jr.
Ray Bronson
Ryan Phillippe
Barry Cox
Bridgette Wilson-Sampras
Elsa Shivers
Johnny Galecki
Max Neurick
Muse Watson
Benjamin Willis / Fisherman
Anne Heche
Melissa Egan
Stuart Greer
David Caporizo
Dan Albright
Sheriff
Rasool J'Han
Deb
J. Don Ferguson
MC
Deborah Hobart
Mrs. James
Mary McMillan
Mrs. Cox
Lynda Clark
Pageant Official
Shea Broom
Contestant #1
John Bennes
Old Man
Jennifer Bland
Contestant #2
William Neely
Hank
Jonathan Quint
David Egan
Richard Dale Miller
Band Member
Mary Neva Huff
Band Member
David Lee Hartman
Band Member
Patti D'Arbanville
Mrs. Shivers (uncredited)
David F. Maxwell
Fisherman at Bait Stand (uncredited)
Stephen McKenna
Delivery Guy (uncredited)
Videos & Trailers
If I Know What You Did Last Summer Was A Rom-Com
Official Trailer
Clip - "What Are You Waiting For?"
The Making of I Know What You Did Last Summer (1997)