As they celebrate their high school graduation, four friends are involved in a hit-and-run accident when their car hits and apparently kills a pedestrian on an isolated roadway. They dispose of the body and vow to keep the incident a secret, a year later somebody starts sending them letters bearing the warning "I Know What You Did Last Summer."
Sarah Michelle Gellar | Helen Shivers | |
Ryan Phillippe | Barry William Cox | |
Freddie Prinze Jr. | Ray Bronson | |
Bridgette Wilson | Elsa Shivers | |
Johnny Galecki | Max Neurick | |
Muse Watson | Benjamin Willis |
View Full Cast >