Lewis (voice)
Wilbur (voice)
Michael 'Goob' Yagoobian (voice)
Bowler Hat Guy / Grandpa Bud / Tallulah (voice)
Cornelius Robinson (voice)
Mr. Willerstein (voice)
Lucille Krunklehorn (voice)
Mildred (voice)
Franny (voice)
Carl (voice)
Mr. Harrington (voice)
Coach / Gaston (voice)
Stanley (voice)
Lizzy (voice)
Young Franny (voice)
Doris / CEO / Spike / Dmitri / Laszlo / Fritz / Petunia (voice)
Mrs. Harrington / Receptionist (voice)
Lefty (voice)
Aunt Billie (voice)
Uncle Art (voice)
Frankie (voice)
T-Rex (voice)
Reporter (voice)
Additional Voices (voice)