I Know What You Did Last Summer (2025) featured a cast of 37 tracked actors. Of these, 21 (100%) are still alive today. The oldest surviving cast member is Brian Duffy, age 73. This film starred Chase Sui Wonders and Madelyn Cline.
100% still with us· verified cast57% of full cast · incl. 16 unverified
Survivorship
Cast Reunion Index: 100% still living
Cast37 members
| Person | Character | Status | DOB | Age | DOD | Age in 2025 |
|---|---|---|---|---|---|---|
 Chase Sui Wonders Ava Brucks | Ava Brucks | Living | 21/05/1996 | 30 | — | 29 |
 Madelyn Cline Danica Richards | Danica Richards | Living | 21/12/1997 | 28 | — | 28 |
 Sarah Pidgeon Stevie Ward | Stevie Ward | Living | 07/07/1996 | 30 | — | 29 |
 Jennifer Love Hewitt Julie James | Julie James | Living | 21/02/1979 | 47 | — | 46 |
 Freddie Prinze Jr. Ray Bronson | Ray Bronson | Living | 08/03/1976 | 50 | — | 49 |
 Jonah Hauer-King Milo Griffin | Milo Griffin | Living | 30/05/1995 | 31 | — | 30 |
 Tyriq Withers Teddy Spencer | Teddy Spencer | Living | 15/07/1998 | 28 | — | 27 |
 Sarah Michelle Gellar Helen Shivers | Helen Shivers | Living | 14/04/1977 | 49 | — | 48 |
 Billy Campbell Grant Spencer | Grant Spencer | Living | 07/07/1959 | 67 | — | 66 |
 Brandy Norwood Karla Wilson | Karla Wilson | Living | 11/02/1979 | 47 | — | 46 |
 Gabbriette Tyler Trevino | Tyler Trevino | Living | 28/07/1997 | 29 | — | 28 |
 Austin Nichols Pastor Judah Gillespie | Pastor Judah Gillespie | Living | 24/04/1980 | 46 | — | 45 |
 Nick Farnell Chief Roberts | Chief Roberts | Unverified | — | — | — | — |
 Joshua Orpin Wyatt | Wyatt | Living | 15/04/1994 | 32 | — | 31 |
 Georgia Flood Hannah Decker | Hannah Decker | Living | 29/11/1992 | 33 | — | 33 |
 Ben Toyer Sam Cooper | Sam Cooper | Unverified | — | — | — | — |
 Nick Hardcastle Neal | Neal | Unverified | — | — | — | — |
 Simone Annan Jill Spencer | Jill Spencer | Unverified | — | — | — | — |
Luke Van Os Officer Johnson | Officer Johnson | Living | 05/11/1997 | 28 | — | 28 |
 Isaiah Mustafa Andrew | Andrew | Living | 11/02/1974 | 52 | — | 51 |
 Leah McKendrick Newscaster | Newscaster | Living | 03/09/1986 | 40 | — | 39 |
 Todd Giebenhain Jason | Jason | Living | 27/11/1974 | 51 | — | 51 |
 Brian Duffy Groundskeeper | Groundskeeper | Living | 20/06/1953 | 73 | — | 72 |
 Dalia Rooni Courtney | Courtney | Unverified | — | — | — | — |
 Nicole Chapman Karina (uncredited) | Karina (uncredited) | Unverified | — | — | — | — |
 Carolyn Dante Reporter (uncredited) | Reporter (uncredited) | Unverified | — | — | — | — |
 Hayley Gia Hughes Bridal Party Friend (uncredited) | Bridal Party Friend (uncredited) | Unverified | — | — | — | — |
 Sam Lansky Hunter (uncredited) | Hunter (uncredited) | Living | 23/09/1988 | 38 | — | 37 |
Joshua Nazaroff Policeman (uncredited) | Policeman (uncredited) | Unverified | — | — | — | — |
Christie Cate Yoga (voice) | Yoga (voice) | Unverified | — | — | — | — |
 Michael M. Foster Fisherman (uncredited) | Fisherman (uncredited) | Unverified | — | — | — | — |
Andrew Goodman college student/graveyard visitor (uncredited) | college student/graveyard visitor (uncredited) | Unverified | — | — | — | — |
Paul Lacovara The fisherman (uncredited) | The fisherman (uncredited) | Living | 07/06/1976 | 50 | — | 49 |
Ayanna Phillips College student (uncredited) | College student (uncredited) | Unverified | — | — | — | — |
tamika rawson Engagement party guest (uncredited) | Engagement party guest (uncredited) | Unverified | — | — | — | — |
Dylan Williamson Teenager (uncredited) | Teenager (uncredited) | Unverified | — | — | — | — |
Kristy Williamson Teenager (uncredited) | Teenager (uncredited) | Unverified | — | — | — | — |