The legendary stuntman plans his most incredible stunt yet while battling the mob in this action-adventure.
| Actor | Role |
|---|---|
 Evel KnievelHimself | Himself |
 Gene KellyWill Atkins | Will Atkins |
 Lauren HuttonKate Morgan | Kate Morgan |
 Red ButtonsBen Andrews | Ben Andrews |
 Leslie NielsenStanley Millard | Stanley Millard |
 Cameron MitchellBarton | Barton |
 Frank GiffordHimself | Himself |
| EEric OlsonTommy Atkins | Tommy Atkins |
 Sheila AllenSister Charity | Sister Charity |
 Albert SalmiCortland | Cortland |
 Dabney ColemanRalph Thompson | Ralph Thompson |
 Ernie F. OrsattiNorman Clark (as Ernie Orsatti) | Norman Clark (as Ernie Orsatti) |
 Marjoe GortnerJesse | Jesse |