Watch The Wilderness Trail Full Movie Free Online 123Movies. Set in the Northwoods of Canada, Tom Mix stars as Donald MacTavish, the newly appointed head commissioner of the Hudson's Bay Company. This promotion infuriates MacTavish's rival Angus Fitzpatrick (Frank Clark) who wanted the job. Angus Fitzpatrick takes his anger and resentment out on MacTavish then sets out to get MacTavish fired.