 | Bill Bixby als Dr. David Bruce Banner |
 | Jack Colvin als Jack McGee |
 | Lou Ferrigno als The Incredible Hulk |
 | Mariette Hartley als Dr. Caroline Fields |
 | Brian Cutler als Brad |
| Diane Markoff als The Girl |
| Duncan Gamble als Mark |
 | Meeno Peluce als The Boy |
 | Rosalind Chao als Receptionist |
 | Russ Grieve als Conservative Man |
| Nat Jones als 1st Messenger |
| Russell Takaki als 2nd Messenger |
 | Ted Cassidy als Narrator / Hulk (voice) (uncredited) |
| Kenneth Johnson | Director |
| Kenneth Johnson | Writer |
| Stan Lee | Characters |
| Jack Kirby | Characters |
| Jack W. Schoengarth | Editor |
| Glenn Lawrence | Editor |
| Charles W. Short | Director of Photography |
| Joseph Harnell | Original Music Composer |
| Kenneth Johnson | Producer |
| Mark Malis | Casting |
| David Marshall | Art Direction |
| Joseph A. Armetta | Set Decoration |
| Charles Waldo | Costume Design |
| Bud Brill | Unit Manager |
| Walt Gilmore | Assistant Director |
| Kyle Wright | Sound Effects Editor |
| Claude Riggins | Sound |
| Ted Koerner | Special Effects |
| Manny Perry | Stunt Double |
| Herbert D. Woods | Music Editor |
| Stan Lee | Consulting Producer |
