 Eleanor PowellMiss Dorothy 'Dot' March | Miss Dorothy 'Dot' March |
 Robert YoungBrooks Mason / George Smith | Brooks Mason / George Smith |
 George BurnsJoe Duffy | Joe Duffy |
 Gracie AllenMillicent 'Millie' De Grasse | Millicent 'Millie' De Grasse |
 Rita JohnsonCecelia Grayson | Cecelia Grayson |
 Clarence KolbMr. Horace Grayson | Mr. Horace Grayson |
 Jo Ann SayersNurse | Nurse |
 Ann MorrissGale Brewster | Gale Brewster |
 Willie FungWong | Wong |
 Cliff ClarkFirst Detective | First Detective |
 Edward GarganSecond Detective | Second Detective |
 Eddie 'Rochester' AndersonWashington | Washington |
 Sig RumanPsychiatrist | Psychiatrist |
 Ruth HusseyEve | Eve |
| KKealohu HoltNative Dancing Girl | Native Dancing Girl |
 Edgar DearingJailer | Jailer |
 Bess FlowersGrayson's Party Guest (uncredited) | Grayson's Party Guest (uncredited) |
 Russell HicksMr. Clifford Jones (uncredited) | Mr. Clifford Jones (uncredited) |
| JJo StaffordMember of The Pied Pipers (uncredited) | Member of The Pied Pipers (uncredited) |
 Tom NealAmbulance Intern (uncredited) | Ambulance Intern (uncredited) |
| KKen DarbyGroucho 1 (uncredited) | Groucho 1 (uncredited) |
| JJon DodsonChico (uncredited) | Chico (uncredited) |
| BBud LinnHarpo (uncredited) | Harpo (uncredited) |
| RRad RobinsonGroucho 2 (uncredited) | Groucho 2 (uncredited) |
 Roy AtwellBearded Man on Ship (uncredited) | Bearded Man on Ship (uncredited) |
| DDiane CookSecond Passenger (uncredited) | Second Passenger (uncredited) |
| AAndy IonaAndy Iona (uncredited) | Andy Iona (uncredited) |
 Betty JaynesSinger (uncredited) | Singer (uncredited) |
 Edward LeSaintMinister (uncredited) | Minister (uncredited) |
 Helen MacKellarMiddle Telephone Operator (uncredited) | Middle Telephone Operator (uncredited) |
