 Irene DunneSusan Dunn | Susan Dunn |
 Alan MarshalJohn Ashwood | John Ashwood |
 Roddy McDowallJohn Ashwood II as a Boy | John Ashwood II as a Boy |
 Frank MorganHiram Porter Dunn | Hiram Porter Dunn |
 Van JohnsonSam Bennett | Sam Bennett |
 C. Aubrey SmithWalter Forsythe | Walter Forsythe |
 May WhittyNanny | Nanny |
 Gladys CooperJean Ashwood | Jean Ashwood |
 Peter LawfordJohn Ashwood II as a Young Man | John Ashwood II as a Young Man |
 John WarburtonReggie Ashwood | Reggie Ashwood |
 Jill EsmondRosamund | Rosamund |
 Brenda ForbesGwennie | Gwennie |
 Norma VardenMrs. Bland | Mrs. Bland |
 Harry AllenEnglish Cabbie (uncredited) | English Cabbie (uncredited) |
| WWilson BengeChauffeur (uncredited) | Chauffeur (uncredited) |
 Matthew BoultonImmigration Officer (uncredited) | Immigration Officer (uncredited) |
 Edmund BreonRupert Bancroft (uncredited) | Rupert Bancroft (uncredited) |
 Clifford BrookeIndian Major in Boardinghouse (uncredited) | Indian Major in Boardinghouse (uncredited) |
| EEldon BurkettTwin in Boardinghouse (uncredited) | Twin in Boardinghouse (uncredited) |
| EElton BurkettTwin in Boardinghouse (uncredited) | Twin in Boardinghouse (uncredited) |
| BBobby CallahanMessenger Boy (uncredited) | Messenger Boy (uncredited) |
 Charles ColemanCaptain Davis (uncredited) | Captain Davis (uncredited) |
 Clyde CookJennings (uncredited) | Jennings (uncredited) |
 Alec CraigBillings (uncredited) | Billings (uncredited) |
| AAnn CurzonMiss Lambert (uncredited) | Miss Lambert (uncredited) |
 Adrienne D'AmbricourtMadam at Dieppe Hotel (uncredited) | Madam at Dieppe Hotel (uncredited) |
 Guy D'EnneryCurate in Boardinghouse (uncredited) | Curate in Boardinghouse (uncredited) |
 George DavisBoots (uncredited) | Boots (uncredited) |
 Kay DeslysBlonde Woman (uncredited) | Blonde Woman (uncredited) |
 Vernon DowningLieutenant Davis Herrick (uncredited) | Lieutenant Davis Herrick (uncredited) |
