| 角色 | 饰演者 | 角色介绍 |
| Dr. Marais | 卡尔·莫尔登 | |
| Insp. Bonnard | 克劳德·道芬 | |
| Jeanette | 帕特丽夏·梅迪纳 | |
| Prof. Paul Dupin | 史蒂夫·弗罗斯特 | |
| Yvonne (as Allyn McLerie) | 奥琳·安·麦克莱瑞 | |
| Jacques the One-Eyed | 安东尼·卡卢索 | |
| Arlette (model) | Veola Vonn | |
| Camille (woman in audience) | Dolores Dorn | |
| Georges Brevert | 梅夫·格里芬 | |
| Rene the Knife-thrower | Paul Richards | |
| LeBon (as Rolphe Sedan) | Rolfe Sedan | |
| Wardrobe woman | Erin O'Brien-Moore | |
| Themselves | The Flying Zacchinis | |
| Gendarme (uncredited) | Rico Alaniz | |
| Vendor (uncredited) | Richard Avonde | |
| Circus manager (uncredited) | Baynes Barron | |
| Concierge (uncredited) | Max Barwyn | |
| Lodger (uncredited) | Joan Blair | |
| Marie (uncredited) | 玛丽·布莱克 | |
| Camille's mother (uncredited) | Nan Boardman | |
| Angry accuser in street (uncredited) | Paul Brinegar | |
| Well-dressed woman in coach (uncredited) | Virginia Brissac | |
| Well-dressed man in coach (uncredited) | Edward Colmans | |
| Trampoline artist (uncredited) | Chuck Couch | |
| Arnot (gendarme) (uncredited) | Walter Coy | |
| Man who finds knife (uncredited) | George Davis | |
| Concierge's wife (uncredited) | Helen Dickson | |
| Spectator (uncredited) | Claire Du Brey |
