Directed by
| Roy William Neill | ... | (as R. William Neill) |
Writing Credits
| Jack Cunningham | ... | (screen play) |
| Ottilie A. Liljencrantz | ... | (based on the novel by: "The Thrall of Leif the Lucky") |
| Randolph Bartlett | ... | (titles) (uncredited) |
Cast (in credits order) verified as complete
| Donald Crisp | ... | Leif Ericsson | |
| Pauline Starke | ... | Helga Nilsson | |
| LeRoy Mason | ... | Alwin | |
| Anders Randolf | ... | Eric the Red (as Anders Randolph) | |
| Richard Alexander | ... | Sigurd | |
| Harry Woods | ... | Egil (as Harry Lewis Woods) | |
| Albert MacQuarrie | ... | Kark | |
| Roy Stewart | ... | King Olaf | |
| Torben Meyer | ... | Odd | |
| Claire McDowell | ... | Lady Editha (as Claire MacDowell) | |
| Julia Swayne Gordon | ... | Thorhild | |
| Rest of cast listed alphabetically: | |||
| Iron Eyes Cody | ... | Indian (uncredited) | |
| Frank Ellis | ... | Man Who Gives Sword to Alwin (uncredited) | |
| Francis McDonald | ... | Viking Friend of Leif (uncredited) | |
| Lon Poff | ... | Friar Slain by Vikings (uncredited) | |
| Angelo Rossitto | ... | Viking Dwarf (uncredited) | |
| Dick Sutherland | ... | Viking (uncredited) | |
Produced by
| Herbert T. Kalmus | ... | producer |
Music by
| William Axt | ... | (uncredited) |
Cinematography by
| George Cave | ... | (photography by) |
Editing by
| Aubrey Scotto | ... | (film edited by) |
Art Direction by
| Carl Oscar Borg | ... | supervising art director |
Art Department
| André Chotin | ... | associate artist (as Andre Chotin) |
| Jack Holden | ... | associate artist |
| Natalie Kalmus | ... | color art director |
| Lewis W. Physioc | ... | associate artist |
| Glenn Cravath | ... | poster artist (uncredited) |
Additional Crew
| Herbert T. Kalmus | ... | presents |
| J.T. Reed | ... | manager of production |
