Joan Sanderson as Dorcas in The Great Muppet Caper.
Joan Sanderson (1912-1992) was a British character actress who played Dorcas in The Great Muppet Caper, opposite John Cleese as Neville.
Sanderson had previously appeared with Cleese on Fawlty Towers, guest starring as a selectively deaf guest, and appeared in episodes of Upstairs Downstairs, Rising Damp, and Wodehouse Playhouse.