John Le Mesurier ( , born John Elton Le Mesurier Halliley; 5April191215November1983) was an English actor. He is perhaps best remembered for his comedic role as Sergeant Arthur Wilson in the BBC television situation comedy "Dad's Army" (196877). A self-confessed "jobbing actor", Le Mesurier appeared in more than 120 films across a range of genres, normally in smaller supporting parts.

Based on that paragraph can we conclude that this sentence is true?
John Le Mesurier most liked his roles in drama films
It's impossible to say