Fulton MacKay

From Muppet Wiki

Fulton MacKay (1922 - 1987) was a Scottish born actor in British television and film. MacKay played The Captain, the British counterpart to Doc on Fraggle Rock. MacKay died between the second and third season and was replaced by John Gordon Sinclair.

He also supplied the voice for the Gryphon in the Alice in Wonderland-inspired movie Dreamchild.

MacKay appeared on such British television comedies as Dad's Army, Porridge, and Wodehouse Playhouse. His other films include Local Hero.