Directed by
| Gabe Newell | ... | (directed by) |
| Randy Pitchford | ... | (PlayStation 2 version) |
Writing Credits
| Marc Laidlaw | ... | (written by) |
Cast (in credits order)
 |
Kathy Levin | ... | Gina Cross / Black Mesa Transit System Announcer (voice) |
|
|
Harry S. Robins | ... | Scientists / HECU Soldiers / Smithers / Eli Vance / 'Forget About Freeman' officer (voice) |
| Mike Shapiro | ... | Barney Calhoun / G-Man / HECU Soldiers / Security Guards / Scientists (voice) | |
|
|
Bill van Buren | ... | The Nihilanth |
| Rest of cast listed alphabetically: | |||
|
|
Kelly Bailey | ... | HECU soldiers / HEV Suit (voice) |
Produced by
| Gabe Newell | ... | executive producer |
| Bill van Buren | ... | producer |
Music by
| Kelly Bailey | ||
Production Design by
| Karl Deckard | ||
Art Direction by
| Ted Backman | ||
Art Department
| Ted Backman | ... | conceptual artist |
| Greg Coomer | ... | artist |
| Dhabih Eng | ... | artist |
| Miles Estes | ... | artist |
| John Guthrie | ... | level designer |
| Brett Johnson | ... | level designer |
| Eric Kirchmer | ... | artist |
| Karen Laur | ... | texture artist |
| Randy Lundeen | ... | level designer |
| Kristen Perry | ... | artist |
| Dave Riller | ... | level designer |
| Harry Teasley | ... | level designer |
Sound Department
| Kelly Bailey | ... | sound effects |
Special Effects by
| Jay Stelly | ... | special effects |
Visual Effects by
| Horia Dociu | ... | 3D environmental artist |
| Chuck Jones | ... | 3d artist |
| Eric Kirchmer | ... | 3d artist |
| Robert Standlee | ... | visual effects artist |
| Douglas Wood | ... | modeler |
Animation Department
| Ken Birdwell | ... | skeletal animation |
| Steve Theodore | ... | animator |
| Douglas Wood | ... | animator |
Additional Crew
| Michael Abrash | ... | engine programmer: Quake engine |
| Matthew Armstrong | ... | game design lead |
| Aaron Barber | ... | game designer |
| Yahn Bernier | ... | software engineer |
| Ken Birdwell | ... | artificial intelligence / senior software development engineer |
| Steve Bond | ... | engineer |
| Charlie Brown | ... | software developer |
| John Carmack | ... | engine programmer: Quake engine / engine tools programmer: Quake engine |
| Dario Casali | ... | designer |
| John Cash | ... | engine programmer: Quake engine |
| John Cook | ... | software engineer |
| Wes Cumberland | ... | programmer |
| Mona Lisa Guthrie | ... | office manager |
| Michael Harrington | ... | co-founder: Valve |
| Monica Harrington | ... | director of business development |
| Jeff Lane | ... | level designer |
| Doug Lombardi | ... | product manager |
| Gary McTaggart | ... | software developer |
| Dave Riller | ... | level designer |
| John Romero | ... | engine tools programmer: Quake engine |
| David Speyrer | ... | software developer |
| Robin Walker | ... | software engineer |
