John Callahan was born on February 5, 1951 in Portland, Oregon, USA. He was a writer and producer, known for Don't Worry, He Won't Get Far on Foot (2018), Quads! (2001) and I Think I Was an Alcoholic (1993). He died on July 24, 2010 in Portland.
2018年参与编剧电影《别担心,他不会走远的》。
2001年参与编剧电视剧《Quads!》。