In the Trail of the Bat Bear (1931)
Early sound film documentary about the Utterström brothers' expedition in British Columbia, Canada. In search of grizzly bears, the brothers meet a number of other animals that they film and shoot.
Directors: John Utterström, Sven Utterström.
| Crew | Sven Utterström | Cinematography |
| Directing | John Utterström | Director |
| Crew | John Utterström | Cinematography |
| Directing | Sven Utterström | Director |