Bill_Callahan_(TV_producer)
Bill Callahan (TV producer)
American television producer
Bill Callahan is a writer/producer for such shows as Spin City, 8 Simple Rules, Oliver Beene, Scrubs and Psych.
American television producer
Bill Callahan is a writer/producer for such shows as Spin City, 8 Simple Rules, Oliver Beene, Scrubs and Psych.
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