John Lithgow
George Henderson
Melinda Dillon
Nancy Henderson
Margaret Langrick
Sarah Henderson
Joshua Rudoy
Ernie Henderson
Kevin Peter Hall
Harry
David Suchet
Jacques Lafleur
Lainie Kazan
Irene Moffitt
Don Ameche
Dr. Wallace Wrightwood
M. Emmet Walsh
George Henderson Sr.
Laura Kenny
'Mouse' Woman
William Ontiveros
Sgt. Mancini
David Richardt
Dirty Harry Officer
Jacqueline Moscou
DMV Clerk
Richard Arnold
'Mouse' Spouse
Sean Morgan
Jerry Seville
Chuck McCollum
Guard
Nick Flynn
Stuart
David MacIntyre
Billers
Peggy Platt
Librarian
Orene Anderson
Woman in Kitchen
William Dear
Sighting Man
Laurie O'Brien
Screaming Woman
Michael J. Loggins
Big Gun Man
James King
Bicycle Man
Nathaniel Ellis
Sgt. Bader
Juleen Murray
Press Woman #1
Connie Craig
Press Woman #2
Dana Middleton
News Anchor #1
Mark Mitchell
Press Man #1
Richard Foley
News Anchor #2
Larry Wansley
News Anchor #3
Steve Brodie
News Anchor #4
Mickey Gilbert
Police Officer
Tom Hammond
Police Officer
Stuart Schwarz
SWAT Officer
Justin Mastro
Vigilante
Michael Goodell
Pool Man
Vern Taylor
Jerome
Stan Sturing
Police Clerk
Robert Isaac Lee
Kim Lee
Debbie Lee Carrington
Little Bigfoot
John Bloom
Feet
Britches
Little Bob
Fred Newman
Harry (voice)
William Frankfather
Schwarz