
| Rock Hudson | ... | Jerry Webster |

| Doris Day | ... | Carol Templeton |

| Tony Randall | ... | Peter 'Pete' Ramsey |

| Edie Adams | ... | Rebel Davis |
 | Jack Oakie | ... | J. Paxton Miller |
 | Jack Kruschen | ... | Doctor Linus Tyler |

| Ann B. Davis | ... | Millie, Carol's Secretary |
 | Joe Flynn | ... | Hadley |
 | Howard St. John | ... | Mr. John Brackett |
 | Karen Norris | ... | Kelly, Jerry's Secretary |

| Jack Albertson | ... | Fred |
 | Charles Watts | ... | Charlie |

| Donna Douglas | ... | Deborah, Peter's Secretary |
| rest of cast listed alphabetically: |
 | Fred Aldrich | ... | Peter Ramsey's Chauffeur (uncredited) |
 | Fletcher Allen | ... | Fur Truck Driver (uncredited) |
 | Russ Bender | ... | Gates, Private Detective (uncredited) |
 | William 'Billy' Benedict | ... | Musician in Elevator (uncredited) |

| Ted Bessell | ... | Elevator Operator (uncredited) |
 | Nicky Blair | ... | Pianist (uncredited) |
 | Barbara Clark | ... | Dancer (uncredited) |
 | Ray Daley | ... | Martin (uncredited) |
 | Richard Deacon | ... | Dr. Melnick (uncredited) |
 | Barbara Frederick | ... | Party Girl (uncredited) |

| Al Hodge | ... | Bass Player (uncredited) |
 | Joan Kelly | ... | Alice (uncredited) |
 | Nolan Leary | ... | Judge Raskob (uncredited) |

| Nelson Leigh | ... | Northcross, Ad Council Chairman (uncredited) |
 | John Litel | ... | Williams, Ad Council Board Member (uncredited) |
 | Frank London | ... | Taxicab Driver (uncredited) |
 | John McKee | ... | Floor Banager at Rebel's Commercial Shoot (uncredited) |
 | John Morley | ... | George (uncredited) |
 | Kathleen Mulqueen | ... | Cleaning Woman (uncredited) |
 | Nelson Olmsted | ... | District Attorney Wesson (uncredited) |
 | Joan Patrick | ... | Peter's Receptionist (uncredited) |
 | Hilda Plowright | ... | Cleaning Woman (uncredited) |
 | Ed Prentiss | ... | Zachary, Ad Council Member (uncredited) |
 | Ward Ramsey | ... | Hodges, Liquor Industry Representative (uncredited) |
 | Michael Ross | ... | Frank (uncredited) |
 | Willard Sage | ... | Wallace, Liquor Industry Representative (uncredited) |

| Jim B. Smith | ... | (uncredited) |
 | Chet Stratton | ... | Leonard (uncredited) |
 | Emerson Treacy | ... | Magnuson, Ad Council Member (uncredited) |
 | Nina Vaughn | ... | Party Girl (uncredited) |
 | June Wilkinson | ... | Stripper on Standee (uncredited) |