Roger Michael Kelly (19 December 1943 – 14 June 2014), known by the stage name Sam Kelly, was an English actor who appeared in film, television, radio, and theatre. He is best known for his roles as Captain Hans Geering in 'Allo 'Allo!, Warren in Porridge, Sam in On the Up, and Ted Liversidge in Barbara. Description above from the Wikipedia article Sam Kelly, licensed under CC-BY-SA, full list of contributors on Wikipedia.
