 ", Richard in "Lucy Sullivan Is Getting Married" and various roles in TV comedies such as "Harry Enfield's Television Programme", "The Armstrong and Miller Show", "Alas Smith and Jones", "The Impressions Show with Culshaw and Stephenson" and "Benidorm".As a voice artist, Greenall voiced Iqbal and Martin in "Bromwell High", the Twins in the "Shaun the Sheep Movie", Captain Barnacles in "The Octonauts", and Aleksandr Orlov in the Compare the Meerkat advertising campaign for comparethemarket.com.Greenall has appeared in the TV series such as "Armstrong and Miller", "Soldier Soldier", "Fortysomething", "Between the Lines", "The Bill", "Holby City", "Kiss Me Kate", "Harry Enfield and Chums", "Monkey Dust", "People Like Us", "Doc Martin", "W1A", "Time Gentlemen Please", "One Foot in the Grave", "Inspector George Gently", "Alas Smith and Jones", as Mr Skinner in the 2006 "Doctor Who" episode "Love & Monsters", and as the voice of Mervin in the MTV puppet show "Fur TV".