 | Bill Bixby als Dr. David Bruce Banner |
 | Jack Colvin als Jack McGee |
 | Lou Ferrigno als The Hulk |
 | Laurie Prange als Julie Griffith |
 | Dorothy Tristan als Margaret Griffith |
 | John McLiam als Michael |
 | William Daniels als Dr. John Bonifant |
 | Gerald McRaney als Denny Kayle |
 | Mills Watson als Sheriff |
 | Ted Cassidy als Narrator / Hulk (voice) |
 | Victor Mohica als Rafe |
 | Roger Aaron Brown als Lab Technician |
| Stan Lee | Characters |
| Alan J. Levi | Director |
| Kenneth Johnson | Writer |
| Jack Kirby | Characters |
| Kenneth Johnson | Producer |
| Joseph Harnell | Original Music Composer |
| Glenn Lawrence | Editor |
| Jack W. Schoengarth | Editor |
| Stan Lee | Creative Consultant |
| Charles W. Short | Director of Photography |
| Claude Riggins | Sound |
| Kyle Wright | Sound Effects Editor |
| David Marshall | Art Direction |
| Joseph A. Armetta | Set Decoration |
| Charles Waldo | Costume Design |
| Bud Brill | Unit Manager |
| Walt Gilmore | Assistant Director |
| Ted Koerner | Special Effects |
| Manny Perry | Stunt Double |
| Herbert D. Woods | Music Editor |
