Michael Dinner Director Andrew McCarthy Michael Dunn Actor Kevin Dillon Rooney Actor Donald Sutherland Brother Thadeus Actor John Heard Brother Timothy Actor Mary Stuart Masterson Danni Actor Malcolm Danare Caesar Actor Jennifer Dundas Boo Actor Kate Reid Grandma Actor Wallace Shawn Father Abruzzi Actor Philip Bosco Brother Paul Actor Patrick Dempsey Corbet Actor Christopher Durang Priest Actor Charles Purpura Screenwriter Dan Wigutow Producer Mark Carliner Producer Miroslav Ondrícek Cinematographer Stephen A. Rotter Film Editing Michael Molly Production Design Robert Guerra Art Director Gary J. Brink Set Decoration Joseph G. Aulisi Costume Design Jeremy Ritzer Casting Howard Feuer Casting