 Joan CrawfordMonica Rivers | Monica Rivers |
 Ty HardinFrank Hawkins | Frank Hawkins |
 Diana DorsMatilda | Matilda |
 Michael GoughAlbert Dorando | Albert Dorando |
 Judy GeesonAngela Rivers | Angela Rivers |
 Robert HardyDetective Superintendent Brooks | Detective Superintendent Brooks |
 Geoffrey KeenCommissioner Dalby | Commissioner Dalby |
 Sydney TaflerHarrison Liston | Harrison Liston |
| GGeorge ClaydonBruno Fontana | Bruno Fontana |
 Philip MadocLazlo | Lazlo |
 Ambrosine PhillpottsMiss Burrows | Miss Burrows |
| TThomas CimarroGaspar | Gaspar |
 Peter BurtonGustavo | Gustavo |
 Howard GoorneyEmil | Emil |
 Marianne StoneWanda | Wanda |
 Golda CasimirBearded Lady | Bearded Lady |
| TTed LuneSkeleton Man | Skeleton Man |
 Milton ReidStrong Man | Strong Man |
 Reginald MarshSergeant Hutchins | Sergeant Hutchins |
 Bryan PringleConstable Bradford | Constable Bradford |
| GGeorge Lane CooperRoustabout (Uncredited) | Roustabout (Uncredited) |
| AArthur GoodmanTalent Agent (Uncredited) | Talent Agent (Uncredited) |
| RRobert RowlandBig Top Ticket Holder (Uncredited) | Big Top Ticket Holder (Uncredited) |
| RReg ThomasonReporter (Uncredited) | Reporter (Uncredited) |
| CCyril KentCircus Worker (Uncredited) | Circus Worker (Uncredited) |
| HHerman CohenCircus Audience (Uncredited) | Circus Audience (Uncredited) |
| FFred WoodNot listed | Not listed |
