| Person | Type | Job | Role(s) |
|---|---|---|---|
 Dave McVeigh | Crew | Directing | Director |
Scott McVeigh | Crew | Directing | Director |
 Arnold Schwarzenegger | Cast | Actor | Self |
 Bud Cort | Cast | Actor | Self (archive footage) |
Ed Corney | Cast | Self | |
 Franco Columbu | Cast | Actor | Self - Mr. Olympia 1981 |
 George Butler | Cast | Actor | Self - Director |
Joe Weider | Cast | Self - Bodybuilding Publisher | |
Ken Waller | Cast | Actor | Self - Mr. Universe 1975 |
 Liev Schreiber | Cast | Actor | Self - Narrator (voice) |
 Lou Ferrigno | Cast | Actor | Self - Mr. Universe 1974 |
Matty Ferrigno | Cast | Self (archive footage) | |
Mike Katz | Cast | Actor | Self - Mr. World 1973 |
 Reg Park | Cast | Actor | Self - Friend and mentor |
 Sylvester Stallone | Cast | Actor | Self |
Bill Grant | Cast | Self - Mr. America 1971 | |
| Person | Type | Job | Role(s) |
