
Publicist Max Clifford said MacCorkindale died on Thursday of bowel cancer in a London clinic.
MacCorkindale appeared in 59 episodes of Falcon Crest from 1984 to 1986 as womanizing lawyer Greg Reardon, and took the lead in the short-lived series Manimal. In Britain, he appeared in the long-running hospital drama Casualty as consultant Harry Harper from 2002 to 2007.
He played Captain Georg von Trapp in "The Sound of Music" on stage in London in 2008-2009.
MacCorkindale's first marriage to Fiona Fullerton ended in divorce. He is survived by his second wife and fellow actor, Susan George. He had no children.