River's End The Northwest Mounted's Most Exciting Man-Hunt! An escaped criminal pretends to be a member of the Royal Canadian Mounted Police in order to prove his innocence of murder. Star Dennis Morgan plays two roles. Details Casts Galleries Posters Title River's End Release Date 1940-08-10 Runtime 01 Hours 09 Minutes Genres Action Drama Western Production Companies Warner Bros. Pictures Production Countries United States of America Dennis Morgan... John Keith / Sgt. Derry C... Elizabeth Inglis... Linda Conniston... George Tobias... Andy Dijon... Victor Jory... Norman Talbot... James Stephenson... McDowell... Steffi Duna... Cheeta... John Ridgely... Jeffers... Frank Wilcox... Kentish... Edward Pawley... Frank Crandell... David Bruce... Balt... Gilbert Emery... Justice... Stuart Robertson... Sgt. Cruze... Original Size (2814x1583) Original Size (500x750) Original Size (960x1440)