Lewis (voice)
Jordan Fry
Mildred
Angela Bassett
Lewis (voice)
Daniel Hansen
Wilbur (voice)
Wesley Singerman
Michael 'Goob' Yagoobian (voice)
Matthew Josten
Cornelius
Tom Selleck
Bowler Hat Guy / Grandpa Bud / Tallulah (voice)
Stephen J. Anderson
Carl (voice)
Harland Williams
Lucille Krunklehorn
Laurie Metcalf
Uncle Art
Adam West
Mr. Willerstein (voice)
Tom Kenny
Laszlo/Doris/Fritz/Petunia
Ethan Sandler
Franny (voice)
Nicole Sullivan
Mrs. Harrington / Receptionist (voice)
Dara McGarry
Mr. Harrington (voice)
John H. H. Ford
Stanley
Paul Butcher
Coach / Gaston (voice)
Don Hall
Lizzy
Tracey Miller-Zarneke
Bowler Hat Guy/Grandpa Bud/Tallulah
Stephen John Anderson
Young Franny (voice)
Jessie Flower
Frankie (voice)
Aurian Redson
T-Rex
Joe Mateo
Lefty (voice)
Nathan Greno
Aunt Billie (voice)
Kelly Hoover
Reporter (voice)
Joe Whyte
Aunt Billie
Kellie M. Hoover
T-Rex (voice)
Joseph Mateo
Additional Voices (voice)
Cooper Cowgill
Additional Voices (voice)
Mick Hazen
Additional Voices (voice)
Jackie Gonneau
Additional Voices (voice)
Cameron Covell
Additional Voices (voice)
Krista Swan
Additional Voices (voice)
David Cowgill
Additional Voices (voice)
Makenna Cowgill
Additional Voices (voice)
Terri Douglas
Additional Voices (voice)
Jordan Orr
Greyson Spahn
Additional Voices (voice)
Lynwood Robinson
Additional Voices (voice)
Shannon O'Connor
Additional Voices (voice)
Grace Rolek
Additional Voices (voice)
Greyson Spann
Additional Voices (voice)
Fred Tatasciore