 | Glenn Ford als Tom Corbett |
 | Shirley Jones als Elizabeth Marten |
 | Stella Stevens als Dollye Daly |
 | Ron Howard als Eddie Corbett |
 | Dina Merrill als Rita Behrens |
 | Roberta Sherwood als Mrs. Livingston |
 | Jerry Van Dyke als Norman Jones |
| Carol Andreson als Cigarette Girl (uncredited) |
| Ellen Atterbury als Millie (uncredited) |
| Christopher Barrey als Child Party Guest (uncredited) |
| Leslie Barringer als Mike (uncredited) |
| John Barton als Arcade Patron (uncredited) |
 | Kimberly Beck als Child Party Guest (uncredited) |
| Rodney Bell als Wedding Reception Guest (uncredited) |
| Barbara Brent als Party Guest (uncredited) |
| William Burnside als Party Guest (uncredited) |
| Boyd Cabeen als Employee (uncredited) |
 | Gene Coogan als Bowling Alley Patron (uncredited) |
| Kelly Corcoran als Child Party Guest (uncredited) |
| Bill Cord als Party Guest (uncredited) |
| Joanne Courtney als Maid (uncredited) |
| Lucille Curtis als Party Guest (uncredited) |
| Tom Curtis als Party Guest (uncredited) |
| John Damler als State Trooper (uncredited) |
| James Drake als Camp Counselor (uncredited) |
| Leslie Farrell als Child Party Guest (uncredited) |
| Don Fenwick als Party Guest (uncredited) |
| Fred Fisher als Parent (uncredited) |
| Ron Gans als Wedding Reception Guest (uncredited) |
| Marilyn Gladstone als Party Guest (uncredited) |
 | Billy Halop als Milkman (uncredited) |
 | John Hart als State Trooper (uncredited) |
| John Hiestand als Annoucer (uncredited) |
 | Shep Houghton als Nightclub Patron (uncredited) |
| Mark Houston als Party Guest (uncredited) |
 | Clint Howard als Child Party Guest (uncredited) |
 | Rance Howard als Camp Counselor (uncredited) |
| Don Lanning als Camp Counselor (uncredited) |
| John LaSalle als Self (uncredited) |
| Mary LeBow als Party Guest (uncredited) |
| Margie Liszt als Tom's Secretary (uncredited) |
| Sean MacGregor als Artist (uncredited) |
| Jean MacRae als Party Guest (uncredited) |
 | Mike Marshall als Wedding Guest (uncredited) |
 | Lee Meriwether als Tom's Receptionist (uncredited) |
| Suzanne Noel als Party Guest (uncredited) |
 | Ron Nyman als Dancer (uncredited) |
 | Patrick O'Moore als Man in Door (uncredited) |
| Murray Pollack als Restaurant Patron (uncredited) |
| Betty Robinson als Child Party Guest (uncredited) |
 | Gene Roth als The Minister (uncredited) |
 | Vito Scotti als Flute Player (uncredited) |
 | Andrew Stevens als Boy at Camp / Mike (uncredited) |
| Dick Whittinghill als Radio Engineer (uncredited) |
 | Robert B. Williams als Elevator Starter (uncredited) |
| Vincente Minnelli | Director |
| John Gay | Screenplay |
| Joe Pasternak | Producer |
| Milton Krasner | Director of Photography |
| Adrienne Fazan | Editor |
| George Stoll | Original Music Composer |
| Irving Aaronson | Producer's Assistant |
| Mark Toby | Novel |
| Robert Van Eps | Additional Music |
| George W. Davis | Art Direction |
| Urie McCleary | Art Direction |
| F. Keogh Gleason | Set Decoration |
| Henry Grace | Set Decoration |
| Helen Rose | Costume Design |
| Sydney Guilaroff | Hairstylist |
| John Truwe | Makeup Artist |
| William Tuttle | Makeup Artist |
| William McGarry | Assistant Director |
| Franklin Milton | Recording Supervision |
| George Stoll | Conductor |
| Robert R. Hoag | Visual Effects |
| Matthew Yuricich | Visual Effects |
