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J.P. Shay In 'Dumb And Dumber' 'Memba Her?!
Published February 16, 2026 12:01 AM PST
American star Karen Duffy was in her early 30s when she played the killer criminal J.P. Shay -- who is hunting down the briefcase filled with ransom money -- in the 1994 classic "Dumb and Dumber."
Karen Duffy was amongst a stellar cast including Jim Carrey as Lloyd Christmas, Jeff Daniels as Harry Dunne, Lauren Holly as Mary Swanson, and Mike Starr as J.P. Shay's gassy accomplice Joe Mentalino.
English (US) ·