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After the opening credits, Orson Welles as "Sanin Cejadory Mengues" directly addresses the audience to explain how the trouble in the glen started. He also provides a voice-over commentary at the end of the film. During the film, Forrest Tucker as "Lance" recites excerpts from "Proud Maisie," a poem by Sir Walter Scott. Trouble in the Glen was the second film co-produced according to a deal between Republic's Herbert Yates and British producer-director Herbert Wilcox. An October 1953 Los Angeles Times news item reported that Yates and Wilcox tried to interest Cary Grant in the lead role.
The film was produced in Great Britain with an American and British cast, and shot on location in the Scottish Highlands, according to news items and reviews. A modern source adds the following actors to the cast: Duncan McIntyre, Jock McKay, Michael Shepley, Jack Stewart and F. A. Vinyals. According to a modern source, Welles achieved a lower and gruffer sounding voice for the part of "Mengues" by grumbling his lines into a microphone, which the sound mixer later turned up on the soundtrack.