 Jack CarsonPeter Virgil | Peter Virgil |
 Janis PaigeMrs. Elvira Kent | Mrs. Elvira Kent |
 Don DeForeMr. Michael Kent | Mr. Michael Kent |
 Doris DayMiss Georgia Garrett | Miss Georgia Garrett |
 Oscar LevantOscar Farrar | Oscar Farrar |
 S.Z. SakallUncle Lazlo Lazlo | Uncle Lazlo Lazlo |
 Fortunio BonanovaPlinio | Plinio |
 Eric BloreShip's Doctor | Ship's Doctor |
 Franklin PangbornRio Hotel Clerk | Rio Hotel Clerk |
 Leslie BrooksMiss Medwick | Miss Medwick |
 William BakewellDudley (Travel Agent) | Dudley (Travel Agent) |
 John BerkesThe Drunk | The Drunk |
| AAvon LongSpecialty Singer | Specialty Singer |
 Page CavanaughPage Cavanaugh | Page Cavanaugh |
 Sir LancelotSpecialty Singer | Specialty Singer |
 John AlvinCharles - Travel Agent (uncredited) | Charles - Travel Agent (uncredited) |
| NNestor AmaralPedro (uncredited) | Pedro (uncredited) |
| JJohn ArnoldRio Headwaiter (uncredited) | Rio Headwaiter (uncredited) |
| CCarlos BarbeYoung Man at Wedding (uncredited) | Young Man at Wedding (uncredited) |
 Barbara BatesStewardess (uncredited) | Stewardess (uncredited) |
| BBrandon BeachShip Passenger (uncredited) | Ship Passenger (uncredited) |
| MMaría BelmarShip Passenger (uncredited) | Ship Passenger (uncredited) |
 Mary BenoitShip Passenger (uncredited) | Ship Passenger (uncredited) |
| GGeorge BoyceShip Steward (uncredited) | Ship Steward (uncredited) |
| PPaul BradleyWedding Guest (uncredited) | Wedding Guest (uncredited) |
 Chet BrandenburgClub Patron (uncredited) | Club Patron (uncredited) |
 Leonard BremenHeadwaiter (uncredited) | Headwaiter (uncredited) |
| KKenneth BrittonShip Lounge Bartender (uncredited) | Ship Lounge Bartender (uncredited) |
| TTex BrodusShip Passenger (uncredited) | Ship Passenger (uncredited) |
| NNorma BrownBrazilian Girl (uncredited) | Brazilian Girl (uncredited) |
