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"I Know What You Did Last Summer" is the premiere episode of the fifth season of the American series The Vampire Diaries, and the series' 90th episode overall. "I Know What You Did Last Summer" was originally aired on October 3, 2013, on The CW. The episode was written by Caroline Dries and directed by Lance Anderson.
Original Release
10/03/2013
Cast
| Name | Character |
|---|
| Nina Dobrev | Elena Gilbert / Katherine Pierce |
| Paul Wesley | Stefan Salvatore / Silas |
| Ian Somerhalder | Damon Salvatore |
| Steven R. McQueen | Jeremy Gilbert |
| Kat Graham | Bonnie Bennett |
| Candice King | Caroline Forbes |
| Zach Roerig | Matt Donovan |
| Michael Trevino | Tyler Lockwood |
| Claire Holt | Rebekah Mikaelson |
| Marguerite MacIntyre | Sheriff Liz Forbes |
Directors
Writers
L.J. Smith, Caroline Dries, Julie Plec, Kevin Williamson
Cast
| Name | Character |
|---|
| Nina Dobrev | Elena Gilbert / Katherine Pierce |
| Paul Wesley | Stefan Salvatore / Silas |
| Ian Somerhalder | Damon Salvatore |
| Steven R. McQueen | Jeremy Gilbert |
| Kat Graham | Bonnie Bennett |
| Candice King | Caroline Forbes |
| Zach Roerig | Matt Donovan |
| Michael Trevino | Tyler Lockwood |
| Claire Holt | Rebekah Mikaelson |
| Marguerite MacIntyre | Sheriff Liz Forbes |
| Rick Worthy | Rudy Hopkins |
| Hayley Kiyoko | Megan King |
| Kendrick Sampson | Jesse |
| Sabrina Mayfield | Diane Freeman |
| Max Calder | Student #2 |
| Jesse Haus | Student #1 |
| Wadette Bradford | College Coed |
| Derrick Owens | College Student |
| David Soulen | Deputy Sheriff |
| Olga Fonda | Nadia |
Producers
| Name | Role |
|---|
| Kevin Williamson | Executive Producer |
| Julie Plec | Executive Producer |
| Caroline Dries | Executive Producer |
| Leslie Morgenstein | Executive Producer |
| Pascal Verschooris | Executive Producer |
| Kellie Cyrus | Producer |
| Brett Matthews | Producer |
| Sonny Postiglione | Producer |
| Rebecca Sonnenshine | Producer |
| Melinda Hsu | Producer |
| Brian Young | Producer |
