A pair of men try to perform the dangerous "triple" in their trapeze act. Problems arise when the duo is made into a trio following the addition of a sexy female performer.
| Actor | Role |
|---|---|
 Burt LancasterMike Ribble | Mike Ribble |
 Tony CurtisTino Orsini | Tino Orsini |
 Gina LollobrigidaLola | Lola |
 Katy JuradoRosa | Rosa |
 Thomas GomezBouglione | Bouglione |
 Johnny PuleoMax | Max |
 Minor WatsonJohn Ringling North | John Ringling North |
 Gérard LandryChikki | Chikki |
 Jean-Pierre KérienOtto | Otto |
 Sidney JamesSnake Charmer | Snake Charmer |
| LLos ArriolasSpecialty Act | Specialty Act |
 Gamil RatibStefan | Stefan |
 Pierre TabardPaul | Paul |
| EEdward Hagopian3rd partner of Lola | 3rd partner of Lola |
 Joe WarfieldPhotograph (uncredited) | Photograph (uncredited) |
 Guy ProvostJournalist (uncredited) | Journalist (uncredited) |
 Hubert de LapparentPhotograph (uncredited) | Photograph (uncredited) |
 Henri CoutetCircus Electrician (uncredited) | Circus Electrician (uncredited) |