Home Movies Jethro: From the Madhouse Jethro: From the Madhouse 18 years old West Country comedian Jethro performs his own distinctive brand of humour. Credits Jethro: From the Madhouse Cast Name Character Jethro as Himself Jethro: From the Madhouse Crew Name Department Jethro as Director. Directing Jethro as Writer. Writing Jethro: From the Madhouse (18 years) Release day: Monday, October 30, 2006 Runtime: 74 minutes