John Daly "Jackie" Kelk (August 6, 1923[1] – September 5, 2002) was an American stage, radio, film, and television actor and stand-up comedian.

He is best known for portraying the role of Homer Brown on the radio series The Aldrich Family and as the original voice of Jimmy Olsen on The Adventures of Superman.

[1] He also had roles in Broadway productions included Young Jim Bailey in No More Frontier (1931), Peter Burroughs in Bridal Wise (1932), Henri, the Son in The Perfect Marriage (1932), Mr. Clayton in Goodbye Again (1932-1933), Prince Rudolph in Jubilee (1935-1936), "Chub" Tolliver in The County Chairman (1936), Terry in Terry and the Pirates (1937),[5] Percy in Flare Path (1942-1943), Elliot Smollens in Tenting Tonight (1947), and Herbie in Me and Juliet (1953–1954).

In the early 1940s, Kelk played Pete on the radio soap opera Mother of Mine,[7] and in January 1946 he joined the cast of Celebrity Club on CBS.

From 1958 to 1959, Kelk had a recurring role as obstetrician Dr. Bo Boland during the first season of the ABC sitcom The Donna Reed Show.