Nigel Terry was an English stage and film actor probably best known by film audiences for his portrayal of King Arthur in John Boorman's Excalibur (1981). 

He played General Cobb in the Doctor Who episode "The Doctor's Daughter" 

Terry appeared in many productions with the Royal Shakespeare Company, the Round House Theatre and the Royal Court Theatre. Among his roles was Bosola in the 1989 Royal Shakespeare Company production of John Webster's The Duchess of Malfi. 

He appeared in approximately a dozen films, like The Lion in Winter (1968) playing Prince John. He also appeared in Derek Jarman's Caravaggio (1986), where he played the title character. He appeared in Troy (2004) playing the Trojan high priest and Prince Telephus, as well as the 2006 Hallmark Channel production of Blackbeard as a marooned sailor.

His main US and British television appearances include Covington Cross, a series set in medieval times. He also appeared in Casualty as Denny, and as Gabriel Piton in Highlander: The Series. He also played Sam Jacobs in a two-part Waking the Dead episode called Anger Management.

He lived in Cornwall near St Ives from 1993 to be closer to his parents; he died in 2015 from emphysema.