Actors:
Molly Shannon - Mary Katherine Gallagher
Actors:
Will Ferrell - Sky Corrigan/Jesus
Actors:
Elaine Hendrix - Evian Graham
Actors:
Harland Williams - Eric Slater
Actors:
Mark McKinney - Father Ritley
Actors:
Glynis Johns - Grandma
Actors:
Jason Blicker - Howard
Actors:
Gerry Bamman - Father John
Actors:
Emmy Laybourne - Helen Lewengrub
Actors:
Jennifer Irwin - Maria Ganitisis
Actors:
Rob Stefaniuk - Thomas Smith
Actors:
Natalie Radford - Autum
Actors:
Karyn Dwyer - Summer
Actors:
Tom Green - Dylan
Actors:
Chuck Campbell - Owen Flanagan
Actors:
Jack Newman - Mr. Feinstein
Actors:
Donna Hanover - Mrs. Gorigan
Actors:
Dan Redican - Freaky Freddy
Actors:
Joan Massiah - Crucifix Nun
Actors:
Jean Howell - Moira
Actors:
Frank Scott - George
Actors:
Mallory Margel - Little Mary
Actors:
Deirdre McCloskey - Rosemary Gallagher
Actors:
David Warrack - Father David
Actors:
Aidan Kelly - Thornton Gallagher
Actors:
Rick Campanelli - Reporter
Actors:
Tracy Wright - Sister Anne
Actors:
Boyd Banks - TV Weatherman
Actors:
Sal Scozzari - Special Ed Kid
Actors:
Ariel Manson-Wagner - Reporter
Actors:
Christina Gordon - Special Ed Kid
Actors:
David Meinke - Special Ed Kid
Actors:
Susie Dias - Special Ed Kid
Actors:
Tina Campbell - Cheerleader
Actors:
Christine Nowland - Cheerleader
Actors:
Michael McCloskey - Shamus O'Shea
Actors:
Carole Mackereth - Cheerleader
Actors:
Blake Brooker - Man with Cake
Actors:
Jane Moffat - Sister Eileen
Actors:
Siobhan Donaghy - Una O'Shea
Actors:
Jason Sehorn - As man in pink tutu
Actors:
Jay Zaidi - South Asian Catholic student
