Writing Credits
| Jay Pinkerton | ... | (writer) & |
| Sean Vanaman | ... | (writer) & |
| Erik Wolpaw | ... | (writer) |
| Marc Laidlaw | ... | (characters) (uncredited) |
| Marc Laidlaw | ... | (story consultant) (uncredited) |
Cast (in credits order)
| Ozioma Akagha | ... | Alyx Vance (voice) | |
| James Moses Black | ... | Dr. Eli Vance (voice) | |
| Rhys Darby | ... | Russell (voice) | |
| Tony Todd | ... | Vortigaunts (voice) | |
| Mike Shapiro | ... | G-Man (voice) (as Michael Shapiro) | |
| Ellen McLain | ... | Overwatch (voice) | |
| Cissy Jones | ... | Olga (voice) | |
| Rich Sommer | ... | Larry / Drone / Combine Soldier (voice) | |
| Kim Dickens | ... | Scientist (voice) | |
| Isaac C. Singleton Jr. | ... | Combine Suppressor (voice) (as Isaac Singleton Jr.) | |
| Jason Vande Brake | ... | Combine Grunt (voice) | |
| Michael Schwalbe | ... | Combine Charger / Wallhammer / Various Combine Soldiers (voice) | |
 |
Rajia Baroudi | ... | Combine Ordinal (voice) |
| Rick Zieff | ... | Combine Guy (voice) | |
|
|
Tom Taylorson | ... | Zombie (voice) |
| Rest of cast listed alphabetically: | |||
|
|
Jacob Assouline | ... | Barney Calhoun |
|
|
Kelly Bailey | ... | HEV suit (voice) (archive sound) |
| Merle Dandridge | ... | Alyx Vance (archive sound) | |
|
|
Mum Ior | ... | Civilian Mother (voice) |
|
|
Nick Woodbury | ... | Lamarr (voice) |
Produced by
| Gabe Newell | ... | executive producer |
| Bill van Buren | ... | producer |
Music by
| Mike Morasky | ||
Sound Department
| Emma Emrich | ... | sound post producer: Warner Bros. Post Prod |
| Daniel P. Francis | ... | dialogue editor: Warner Bros Post Production Services |
| Sergey Hogart | ... | sound recordist (as Sergey Petrov) |
| Garrett Montgomery | ... | dialogue editor: Warner Bros Post Production Services |
| Roland Shaw | ... | sound designer |
Animation Department
| Jamaal Bradley | ... | senior animator |
Music Department
| Kelly Bailey | ... | music consultant |
| Arthur Valentin Grósz | ... | conductor |
Script and Continuity Department
| Alli Diehl | ... | Warner Bros. Post Prod |
| Xandra Hobe | ... | Script Coordinator: Warner Bros. Post Prod |
Additional Crew
| Dario Casali | ... | designer |
| Adrian Finol | ... | programmer |
| David Speyrer | ... | programmer |
| Robin Walker | ... | programmer |
Thanks
| Jacob T. Nicholson | ... | (as Jake) |
