Thelma Boardman was born on October 31, 1909 in Panama Canal Zone, Panama. She was an actress and writer, known for
Gunsmoke (1955),
Ethel Barrymore Theater (1956) and
Mickey's Birthday Party (1953). She was married to
True Boardman and Russell Erwin Diehl. She died on April 21, 1978 in Los Angeles, California, USA.