Jim Carrey

Grinch

Taylor Momsen

Cindy Lou Who

Jeffrey Tambor

Mayor Augustus Maywho

Christine Baranski

Martha May Whovier

Bill Irwin

Lou Lou Who

Molly Shannon

Betty Lou Who

Clint Howard

Whobris

Josh Ryan Evans

8-Year-Old Grinch

Mindy Sterling

Clarnella

Bryce Dallas Howard

Surprised Who

Lacey Kohl

Christina Whoterberry

Rachel Winfree

Rose

Rance Howard

Elderly Timekeeper

Jeremy Howard

Drew Lou Who

T.J. Thyne

Stu Lou Who