 Jack LemmonHogan | Hogan |
 Carol LynleyRobin Austin | Robin Austin |
 Edie AdamsDr. Irene Wilson | Dr. Irene Wilson |
 Imogene CocaDorkus Murphy | Dorkus Murphy |
 Paul LyndeMurphy | Murphy |
 Dean JonesDave Manning | Dave Manning |
 Robert LansingDr. Charles Howard | Dr. Charles Howard |
| JJane WaldLiz | Liz |
 Linda GrayCollege girl | College girl |
 Irene TsuSuzy | Suzy |
| LLaurie SibbaldEve | Eve |
 Celeste YarnallCollege girl | College girl |
 Jerry AntesAdam (uncredited) | Adam (uncredited) |
| TTom AnthonyBarber (uncredited) | Barber (uncredited) |
 Army ArcherdWriter (uncredited) | Writer (uncredited) |
 Phil ArnoldDelivery Man (uncredited) | Delivery Man (uncredited) |
| RRoger BaconWriter (uncredited) | Writer (uncredited) |
 Bill BixbyTrack Team Coach (uncredited) | Track Team Coach (uncredited) |
| PPaul BradleyBarbershop Customer (uncredited) | Barbershop Customer (uncredited) |
| GGloria CalomeeSandy (uncredited) | Sandy (uncredited) |
| CCliff CarnellAthletic Instructor (uncredited) | Athletic Instructor (uncredited) |
| VVerna CorneliusCollege Girl (uncredited) | College Girl (uncredited) |
 Pamela CurranDolores (uncredited) | Dolores (uncredited) |
| TTony DanteBarber (uncredited) | Barber (uncredited) |
| GGeorge DeNormandMaitre D' (uncredited) | Maitre D' (uncredited) |
| MMaryesther DenverWoman on Bus (uncredited) | Woman on Bus (uncredited) |
| LLyn EdgingtonPeggy (uncredited) | Peggy (uncredited) |
 Bill ErwinTeacher (uncredited) | Teacher (uncredited) |
| CCharles FogelBarbershop Customer (uncredited) | Barbershop Customer (uncredited) |
| GGeorge FordRestaurant Patron (uncredited) | Restaurant Patron (uncredited) |
