Simon Birch (1998)
Simon Birch is a 1998 American comedy-drama film loosely based on A Prayer for Owen Meany by John Irving and was directed and written for the screen by Mark Steven Johnson. The film stars Ian Michael Smith, Joseph Mazzello, Jim Carrey, Ashley Judd, and Oliver Platt. It omitted much of the latter half of the novel and altered the ending.
More at Wikipedia.