 Lynda CarterDiana Prince/Wonder Woman | Diana Prince/Wonder Woman |
 Lyle WaggonerColonel Steve Trevor, Jr. | Colonel Steve Trevor, Jr. |
 Norman BurtonJoe Atkinson | Joe Atkinson |
 Fritz WeaverDr. Solano | Dr. Solano |
 Bettye AckermanAsclepia | Asclepia |
 Jessica WalterGloria | Gloria |
| BBeatrice StraightHippolyta | Hippolyta |
 David KnappMajor Gaines | Major Gaines |
| CCarlos RomeroColonel Acevo | Colonel Acevo |
| DDorrie ThomsonEvadne | Evadne |
 Argentina BrunettiManageress | Manageress |
| EEdward CrossPilot | Pilot |
 Jo De WinterDr. Ross | Dr. Ross |
| GGeorge IvesSamuels | Samuels |
| FFrank KillmondLogan | Logan |
 Russ MarinKleist | Kleist |
 William TregoeKalten | Kalten |
| RRaye SheffieldDr. Andrea | Dr. Andrea |
| JJerry BestReception Guest (uncredited) | Reception Guest (uncredited) |
 Brooke BundyBeverly Ryan (uncredited) | Beverly Ryan (uncredited) |
| JJohn Philip DaytonYoung Scientist (uncredited) | Young Scientist (uncredited) |
| PPaul DeCeglieOfficer at Briefing (uncredited) | Officer at Briefing (uncredited) |
 Bob HarksReception Guest (uncredited) | Reception Guest (uncredited) |
| BBill SniderOfficer at Briefing (uncredited) | Officer at Briefing (uncredited) |
| NNorman StevansPolitician (uncredited) | Politician (uncredited) |
| NNick StevensonPolitician (uncredited) | Politician (uncredited) |
