Jim Carrey only played the part of a tree.
A Christmas Carol (2009 film) . It is an adaptation of the Charles Dickens story of the same name and stars Jim Carrey in a multitude of roles , including Ebenezer Scrooge as a young , middle-aged , and old man , and the three ghosts who haunt Scrooge . Jim Carrey . He then starred in The Truman Show ( 1998 ) and Man on the Moon ( 1999 ) , with each garnering him a Golden Globe Award for Best Actor . The Truman Show . The film stars Jim Carrey as Truman Burbank , adopted and raised by a corporation inside a simulated television show revolving around his life , until he discovers it and decides to escape ; additional roles are provided by Laura Linney , Noah Emmerich , Natascha McElhone , Holland Taylor , and Ed Harris .