Dumb and Dumber's cast is all-female.
Dumb and Dumber is a 1994 American comedy road film starring Jim Carrey and Jeff Daniels . Jeffrey Warren `` Jeff '' Daniels ( born February 19 , 1955 ) is an American actor , musician , and playwright , whose career includes roles in films , stage productions and on television , for which he has won an Emmy Award and received Golden Globe , Screen Actors Guild and Tony Award nominations . One of his most notable roles is Harry Dunne in the buddy comedy Dumb and Dumber ( 1994 ) opposite Jim Carrey , a role he reprised in the 2014 sequel Dumb and Dumber To ( 2014 ) . 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 ) .