| Judy Holliday | Nina Chapman Tracey | 
    
    
      | Jack Lemmon | Robert Tracey | 
    
    
      | Jack Carson | Charlie Nelson | 
    
    
      | Kim Novak | Janis | 
    
    
      | Luella Gear | Mrs. Edith Chapman | 
    
    
      | Donald Randolph | Dr. Van Kessel | 
    
    
      | Donald Curtis | Rick Vidal | 
    
    
      | Shirlee Allard | Secretary (uncredited) | 
    
    
      | Leon Alton | Nightclub Patron (uncredited) | 
    
    
      | Merry Anders | Marsha (uncredited) | 
    
    
      | Mylee Andreason | Dance Teacher (uncredited) | 
    
    
      | Frank Arnold | Art Teacher (uncredited) | 
    
    
      | Fay Baker | Nurse Serena (uncredited) | 
    
    
      | Eugene Borden | Teddy - Maitre d' (uncredited) | 
    
    
      | Paul Bradley | Nightclub Patron (uncredited) | 
    
    
      | Sue Carlton | Minor Role (uncredited) | 
    
    
      | Harry Cheshire | Nina's Divorce Lawyer (uncredited) | 
    
    
      | Sayre Dearing | Nightclub Patron (uncredited) | 
    
    
      | Jimmie Dodd | Cab Driver (uncredited) | 
    
    
      | Dan Dowling | Nightclub Patron (uncredited) | 
    
    
      | Charles Ferguson | Waiter (uncredited) | 
    
    
      | Bess Flowers | Nightclub Patron / Woman at Airport (uncredited) | 
    
    
      | Arny Freeman | Language Teacher (uncredited) | 
    
    
      | Rudy Germane | Nightclub Patron (uncredited) | 
    
    
      | Kenneth Gibson | Nightclub Patron (uncredited) | 
    
    
      | James Gonzalez | Studio Executive (uncredited) | 
    
    
      | Dick Gordon | Technician (uncredited) | 
    
    
      | Geraldine Hall | Nina's Secretary (uncredited) | 
    
    
      | Sam Harris | Nightclub Patron / Man at Airport (uncredited) | 
    
    
      | Jerry Hausner | Steve (uncredited) | 
    
    
      | Charles Heard | Doorman (uncredited) | 
    
    
      | Bill Hickman | Studio Technician (uncredited) | 
    
    
      | George Hill | Page (uncredited) | 
    
    
      | Shep Houghton | Nightclub Patron (uncredited) | 
    
    
      | Wendy Howard | Artist's Model (uncredited) | 
    
    
      | Joyce Jameson | Secretary (uncredited) | 
    
    
      | Virgil Johansen | Doorman (uncredited) | 
    
    
      | Joe Karnes | Minor Role (uncredited) | 
    
    
      | Tom Kingston | Manager (uncredited) | 
    
    
      | Charlotte Lawrence | Cynthia (uncredited) | 
    
    
      | Perk Lazelle | Nightclub Patron (uncredited) | 
    
    
      | Billy Lechner | Boy (uncredited) | 
    
    
      | Sally Mansfield | Miss Comstock (uncredited) | 
    
    
      | Maxine Marlowe | Secretary (uncredited) | 
    
    
      | Alphonse Martell | Maitre D' (uncredited) | 
    
    
      | Vivian Mason | Secretary (uncredited) | 
    
    
      | Harold Miller | Nightclub Patron (uncredited) | 
    
    
      | Patrick Miller | Page (uncredited) | 
    
    
      | Hans Moebus | Nightclub Patron (uncredited) | 
    
    
      | George Nardelli | Nightclub Patron (uncredited) | 
    
    
      | William Newell | Workman (uncredited) | 
    
    
      | Monty O'Grady | Nightclub Patron (uncredited) | 
    
    
      | Hamil Petroff | Dance Teacher (uncredited) | 
    
    
      | Gilman Rankin | Minor Role (uncredited) | 
    
    
      | Leoda Richards | Restaurant Patron (uncredited) | 
    
    
      | Cosmo Sardo | Nightclub Patron (uncredited) | 
    
    
      | Jeffrey Sayre | Party Guest (uncredited) | 
    
    
      | Eddie Searles | Tommy (uncredited) | 
    
    
      | Bernard Sell | Nightclub Patron (uncredited) | 
    
    
      | Olan Soule | Mr. Duncan (uncredited) | 
    
    
      | Norman Stevans | Nightclub Patron (uncredited) | 
    
    
      | Brick Sullivan | Radio Technician (uncredited) | 
    
    
      | Hal Taggart | Restaurant Patron (uncredited) | 
    
    
      | Ted Thorpe | Minor Role (uncredited) |