 | Debbie Reynolds als Tammy Tyree |
 | Leslie Nielsen als Peter Brent |
 | Walter Brennan als John Dinwitty |
 | Mala Powers als Barbara Bissle |
 | Sidney Blackmer als Professor Brent |
 | Mildred Natwick als Aunt Renie |
 | Fay Wray als Mrs. Brent |
 | Philip Ober als Alfred Bissle |
 | Craig Hill als Ernie |
 | Louise Beavers als Osia |
 | April Kent als Tina |
 | Ralph Brooks als Party Guest (uncredited) |
 | Lillian Culver als Woman at Exhibition (uncredited) |
 | Lucille Curtis als Farmer's Wife (uncredited) |
| Jack Edwards als Mike (uncredited) |
| Robert Filmer als Deputy (uncredited) |
 | Robert F. Hoy als Boy (uncredited) |
| Larry Hudson als Revenue Man (uncredited) |
| Mike Lally als Photographer at Exhibition (uncredited) |
 | Carl M. Leviness als Party Guest (uncredited) |
| Jack Macy als Farmer (uncredited) |
 | Forbes Murray als Party Guest (uncredited) |
| Camille Williams als Girl (uncredited) |
| Joseph Pevney | Director |
| Cid Ricketts Sumner | Novel |
| Ross Hunter | Producer |
| Frank Skinner | Original Music Composer |
| Arthur E. Arling | Director of Photography |
| Ted J. Kent | Editor |
| Bill Newberry | Art Direction |
| Richard H. Riedel | Art Direction |
| Russell A. Gausman | Set Decoration |
| Joseph Gershenson | Music Supervisor |
| Clifford Stine | Still Photographer |
| Leslie I. Carey | Sound |
| Joe Lapis | Sound |
| Peter Berkos | Sound Editor |
| George Hoagland | Sound Editor |
| William Nunley | Props |
| Joseph E. Kenney | Assistant Director |
| Terence Nelson | Assistant Director |
| Norman Deming | Unit Production Manager |
| Joan St. Oegger | Hairstylist |
| Bud Westmore | Makeup Artist |
| Bill Thomas | Costume Designer |
| Oscar Brodney | Screenplay |
