 Douglas Fairbanks Jr.David 'Davie' Gillespie | David 'Davie' Gillespie |
 Margaret LockwoodMary Shaw | Mary Shaw |
 Will FyffeJohn Shaw | John Shaw |
 George BancroftCapt. Oliver | Capt. Oliver |
 Montagu LoveMalcolm Grant | Malcolm Grant |
 Vaughan GlaserJunius Smith | Junius Smith |
 David TorrenceDonald Fenton | Donald Fenton |
 Lester MatthewsLieut. Roberts | Lieut. Roberts |
 Alec CraigForeman | Foreman |
 Barlowe BorlandMagistrate | Magistrate |
| WWilson BengeCampbell | Campbell |
 Harry AllenMurdock | Murdock |
| BBarry MacollumMiller | Miller |
| DDavid CavendishFirst Officer Lewis | First Officer Lewis |
 David ClydeSecond Mate Evans | Second Mate Evans |
 Charles McAvoyO'Brien | O'Brien |
 Alan LaddColin Farrell | Colin Farrell |
 Lawrence GrantMr. Negley | Mr. Negley |
| JJohn PowerCaptain of 'Dog Star' | Captain of 'Dog Star' |
 William HaadeA Stoker | A Stoker |
| EEarl AskamChief Engineer (Uncredited) | Chief Engineer (Uncredited) |
| GGuy BellisImporter (Uncredited) | Importer (Uncredited) |
 Lionel BelmoreVillager (Uncredited) | Villager (Uncredited) |
| FFrank BensonDriver (Uncredited) | Driver (Uncredited) |
 Wade BotelerMr. Brown (Uncredited) | Mr. Brown (Uncredited) |
 Harry CordingSeaman (Uncredited) | Seaman (Uncredited) |
| JJane DeweyMrs. Farrell (Uncredited) | Mrs. Farrell (Uncredited) |
| MMike DriscollHelmsman (Uncredited) | Helmsman (Uncredited) |
| DDavid DunbarBoatswain (Uncredited) | Boatswain (Uncredited) |
| WWilliam EddrittSecretary (Uncredited) | Secretary (Uncredited) |
