Jim Carrey only played the part of a tree.
Dumb and Dumber . The film tells the story of Lloyd Christmas and Harry Dunne , two unintelligent but well-meaning friends from Providence , Rhode Island who set out on a cross-country trip to Aspen , Colorado to return a briefcase full of money to its owner , only to be pursued by a group of criminals who are after the briefcase . Jim Carrey . His first leading roles in major productions came with Ace Ventura : Pet Detective ( 1994 ) , Dumb and Dumber ( 1994 ) , The Mask ( 1994 ) , and Ace Ventura : When Nature Calls ( 1995 ) , as well as a supporting role in Batman Forever ( 1995 ) and a lead role in Liar Liar ( 1997 ) . In the 2010s , he has starred in Mr. Popper 's Penguins ( 2011 ) and The Incredible Burt Wonderstone ( 2013 ) . The Incredible Burt Wonderstone . The film follows Las Vegas magician Burt Wonderstone ( Steve Carell ) as he attempts to reunite with his former partner Anton Marvelton ( Steve Buscemi ) to take on dangerous street magician Steve Gray ( Jim Carrey ) .