Canadian Mounties vs. Atomic Invaders 1953

Synopsis:

A villain named Marlof attempts to set up secret missile bases inside Canada so he can launch missiles at the U.S. The Canadian Mounted Police dispatch agents to try to stop him.

Directed by: Franklin Adreon
Written by: Ronald Davidson
Runtime: 167 minutes
Tagline: THRILL-A-MINUTE ACTION IN THE FROZEN NORTH...As The Mounties Track Down Enemy Agents! (original poster)
Cast:
William Henry
William Henry
Don Roberts 
Susan Morrow
Susan Morrow
Kay Conway 
Arthur Space
Arthur Space
Marlof 
Pierre Watkin
Pierre Watkin
Commissioner Morrison 
Mike Ragan
Mike Ragan
Reed