- Dwan said he never really directed Groucho Marx; he simply let him go on and say whatever he wanted. Afterward, Dwan edited it to fit the 30-minute time slot and to pass muster with the network censors.
- Joined You Bet Your Life (1950) as its director when it debuted on radio in 1947 and moved with it to television in 1950. Continued directing the show until it went off the air in 1961.
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