William Post Jr. was born on February 19, 1901 in Montclair, New Jersey, USA. He was an actor, known for Sherlock Holmes and the Secret Weapon (1942), The House on 92nd Street (1945) and The Edge of Night (1956). He was married to Joan Castle and Doris Muriel (Broiles) Post. He died on September 26, 1989 in Oklahoma City, Oklahoma, USA.