 | John Forsythe als Sam Marlowe |
 | Shirley MacLaine als Jennifer Rogers |
 | Edmund Gwenn als Captain Wiles |
 | Mildred Natwick als Miss Gravely |
 | Mildred Dunnock als Mrs. Wiggs |
 | Jerry Mathers als Arnie Rogers |
 | Royal Dano als Calvin Wiggs |
 | Parker Fennelly als Millionaire |
 | Barry Macollum als Tramp |
 | Dwight Marfield als Dr. Greenbow |
| Leslie Woolf als Art Critic (uncredited) |
| Philip Truex als Harry Worp (uncredited) |
| Ernest Curt Bach als Chauffeur (uncredited) |
 | Alfred Hitchcock als Passer-by (uncredited) |
| Alfred Hitchcock | Producer |
| Bernard Herrmann | Original Music Composer |
| Alfred Hitchcock | Director |
| Robert Burks | Director of Photography |
| Alma Macrorie | Editor |
| John Michael Hayes | Screenplay |
| Hal Pereira | Art Direction |
| John B. Goodman | Art Direction |
| Emile Kuri | Set Decoration |
| Sam Comer | Set Decoration |
| Howard Joslin | Assistant Director |
| Herbert Coleman | Associate Producer |
| Wally Westmore | Makeup Supervisor |
| Jack Trevor Story | Novel |
| Winston H. Leverett | Sound Recordist |
| Harold Lewis | Sound Recordist |
| Edith Head | Costume Design |
| John P. Fulton | Visual Effects |
| John Hall Jr. | Makeup Artist |
| Maria Stevens | Hairdresser |
| Ralph Axness | Assistant Director |
| Edgar Fay | Assistant Director |
| Herbert Coleman | Second Unit Director |
| Bernard McEveety | Assistant Director |
| Bernard Wiesen | Assistant Director |
| Jim Miller | Sound |
| Ad Tice | Sound |
| Saul Steinberg | Title Illustration |
