Danny DeVito

George Johnson (voice)

Carrie Fisher

Alice Conway (voice)

Richard Masur

Michael Stevens (voice)

Rhea Perlman

Rose Johnson (voice)

Henry Winkler

Carl Conway (voice)

Lauren Taylor

Mary O'Connell (voice)

Alexandra Balahoutis

Tina Edwina Farina (voice)

June Foray

Ms. McCullough (voice)

R.J. Williams

Additional Voices (voice)

Lindsay Parker

Additional Voices (voice)