利亚姆·邓恩，Liam Dunn was born in New Jersey in 1916, went to regular high school and entered a small acting school where he constantly acted in plays. Dunn was considered for his first movie role in 1968, but turned it down to work on T.V. Dunn's first big break came in 1972 for his character Judge Maxwell in the film What's Up, Doc? (1972).