| Nicholas 'Nick' Charles | 威廉·鲍威尔
|
| Nora Charles | 玛娜·洛伊
|
| Mrs. Charles | 露塞尔·沃特森
|
| Laurabelle 'Laura' Ronson (as Gloria De Haven) | 格洛丽亚·德黑文
|
| Crazy Mary | 安妮·里维尔
|
| Helena Draque | 海伦·文逊
|
| Doctor Bertram Charles | Harry Davenport
|
| Edgar Draque | Leon Ames
|
| Willie Crump | Donald Meek
|
| Brogan | Edward Brophy
|
| Dr. Bruce Clayworth | Lloyd Corrigan
|
| Hilda the Charles' Housekeeper (as Anita Bolster) | Anita Sharp-Bolster
|
| Peter Berton | Ralph Brooks
|
| Police Chief 'Mac' MacGregor | Donald MacBride
|
| Willoughby Peavy | Morris Ankrum
|
| Miss Peavy (credits)/Mrs. Peavy | Nora Cecil
|
| Sam Ronson | Minor Watson
|
| Tom Motel Proprietor | Irving Bacon
|
| Tom's Wife | Virginia Sale
|
| Himself (dog) | Asta
|
| The Drunk (scenes deleted) | Chester Clute
|
| Charlie (scenes deleted) | Arthur Hohl
|
| Policeman (scenes deleted) | Lee Phelps
|
| Captain (scenes deleted) | Anthony Warde
|
| Barber (scenes deleted) | Joe Yule
|
| Tart (uncredited) | 简·阿克
|
| Reporter (uncredited) | Oliver Blake
|
| Big Man's Companion (uncredited) | Dick Botiller
|
| Skating Woman (uncredited) | Lucile Browne
|
| Bill Burns (uncredited) | Wally Cassell
|
