 Tony CurtisBob Weston | Bob Weston |
 Natalie WoodHelen Gurley Brown | Helen Gurley Brown |
 Henry FondaFrank Broderick | Frank Broderick |
 Lauren BacallSylvia Broderick | Sylvia Broderick |
 Mel FerrerRudy DeMeyer | Rudy DeMeyer |
 Fran JeffriesGretchen | Gretchen |
 Leslie ParrishSusan | Susan |
 Edward Everett HortonThe Chief | The Chief |
 Larry StorchMotorcycle Cop | Motorcycle Cop |
 Stubby KayeHelen's Cabbie | Helen's Cabbie |
 Howard St. JohnGeorge Randall | George Randall |
 Otto KrugerDr. Anderson | Dr. Anderson |
 Max ShowalterHolmes | Holmes |
 William LanteauSylvester | Sylvester |
 Helen KleebHilda | Hilda |
| CCurly KleinSylvia's Cabbie | Sylvia's Cabbie |
 Frank BakerPretzel Vendor (uncredited) | Pretzel Vendor (uncredited) |
 Sayre DearingNightclub Patron (uncredited) | Nightclub Patron (uncredited) |
 Cosmo SardoWaiter (uncredited) | Waiter (uncredited) |
 Jeffrey SayreMan at Stocking Show (uncredited) | Man at Stocking Show (uncredited) |
| BBert StevensNightclub Patron at Anniversary Party (uncredited) | Nightclub Patron at Anniversary Party (uncredited) |
 Fredd WayneFrank (uncredited) | Frank (uncredited) |
| JJohn AlbanNightclub Patron (uncredited) | Nightclub Patron (uncredited) |
| DDavid ArmstrongAttendant (uncredited) | Attendant (uncredited) |
 Larry J. BlakePoliceman (uncredited) | Policeman (uncredited) |
 Barbara BouchetPhotographer at Anniversary Party (uncredited) | Photographer at Anniversary Party (uncredited) |
| PPaul BradleyNightclub Patron (uncredited) | Nightclub Patron (uncredited) |
| TTex BrodusNightclub Patron (uncredited) | Nightclub Patron (uncredited) |
 Paul BryarToll Gate Guard (uncredited) | Toll Gate Guard (uncredited) |
| GGeorge E. CareyBoard Member (uncredited) | Board Member (uncredited) |
