Jim Carrey in "Dumb and Dumber," "The Mask" and "Eternal Sunshine of the Spotless Mind." (Courtesy New Line Cinema and Focus Features)
FILE - In this Nov. 22, 2010 file photo, actor Jim Carrey attends a Cinema Society screening of "I Love You Phillip Morris" in New York. NBC announced Tuesday, Jan. 4, 2011, that Carrey will host "Saturday Night Live," on Saturday. (AP Photo/Peter Kramer, file)
George C. Scott, Jim Carrey, Patrick Stewart and Alastair Sim as Ebenezer Scrooge.