- Donald Crisp
- Leif Ericsson
- Pauline Starke
- Helga Nilsson
- LeRoy Mason
- Alwin
- Anders Randolf
- Eric the Red
- Richard Alexander
- Sigurd
- Harry Woods
- Egil
- Albert MacQuarrie
- Kark
- Roy Stewart
- King Olaf
- Torben Meyer
- Odd
- Claire McDowell
- Lady Editha
- Julia Swayne Gordon
- Thorhild
- Iron Eyes Cody
- Indian
- Frank Ellis
- Man Who Gives Sword to Alwin
- Eugene McDonald
- Minor Role
- Francis McDonald
- Viking Friend of Leif
- Lon Poff
- Friar Slain by Vikings
- Angelo Rossitto
- Viking Dwarf
- Dick Sutherland
- Viking
