[3] Quinn began his career as a radio personality, hosting variety shows and writing comedy for Milton Berle and Don McNeill's Breakfast Club.
[4] Early in 1953, WINS in New York City carried The Louis Quinn Show from midnight to 1 a.m., with the program originating in its studios.
[1] His first television role was as a city council member in the 1956 episode "The Bachelor Party' of Jackie Cooper's NBC sitcom, The People's Choice.
[7] In 1958 Quinn appeared (uncredited) as the First Hotel Clerk on the TV western Cheyenne in the episode titled "Dead to Rights."
He appeared in three episodes of ABC's Batman (55, 56 and 111), once on NBC's The Virginian, in the 1977 film Raid on Entebbe, and the sitcoms, Please Don't Eat the Daisies, The Donna Reed Show, Barney Miller and Gilligan's Island.