On screen
Cast
45 credited performers
Louie Anderson
Little Louie / Dad (voice)
Edie McClurg
Mom (voice)
Debi Derryberry
Jeannie Harper (voice)
Miko Hughes
Tommy Anderson (voice)
Justin Shenkarow
Michael Grunewald / Glen Glenn (voice)
Terrence 'T.C.' Carson
Norton Jensen (voice)
Liz Sheridan
Mrs. Stillman (voice)
Benjamin Kimball Smith
Character not listed
Mary Wickes
Grandma (voice)
Gregg Berger
Character not listed
Meagen Fay
Character not listed
Tommy Hinkley
Mr. Grunewald (voice)
Troy Evans
Character not listed
Ross Mapletoft
Character not listed
Jim Cummings
Character not listed
Lynne Marie Stewart
Kitty Grunewald (voice)
Jimmy Workman
Character not listed
Wallace Langham
Character not listed
Marc Robinson
Character not listed
Olivia Hack
Kelly Bassett (voice)
Aaron Michael Metchik
The Lanza Triplets (voice)
Glenn Shadix
Character not listed
James Greene
Character not listed
Jack Blessing
Character not listed
Tommy Lasorda
Coach Larry Rockwell (voice)
Cleandre Norman
Character not listed
James Murray
Character not listed
Barry Corbin
Uncle Sammy (voice)
Miriam Flynn
Character not listed
David Ianello
Character not listed
Patti Deutsch
Sylvia (voice)
Michael Horse
Character not listed
Tracy Renée Cobb
Character not listed
Shelley Long
Sally Tubbs (voice)
Joe Alaskey
Character not listed
Gordie Brown
Character not listed
Joe Pantoliano
Jojo Stomopolous (voice)
Justin Jon Ross
Toddler (voice)
Xander Berkeley
Pro Shop Cashier (voice)
Robert Alan Beuth
Character not listed
Brian Doyle-Murray
Pete (voice)
Richard Doyle
Mr. Stevenson (voice)
James Murray
Nightsniffer (voice)
Elizabeth Martinez
(voice)
Eddie Deezen
(voice)