 He appeared as Sergeant Calder, a member of the British Army's bomb disposal squad, in the 1984 Doctor Who story "Resurrection of the Daleks".McGough is also famous for playing the character of "Arnie" in a classic episode of "Only Fools and Horses" - 'Chain Gang'.However he is very well known to television viewers as Dr. Malcolm Nicholson in "Bad Girls", a role he played from 2000 to 2001 and again from 2003 to 2005.