Joel Grey

as Joshua Trundle (voice)

George Gobel

as Father Mouse (voice)

Tammy Grimes

as Albert (voice)

John McGiver

as Mayor (voice)

Patricia Bright

as Sarah Trundle / Mother Mouse (voice)

Scott Firestone

as Son / Boy Mouse (voice)

Christine Winter

as Daughter / Girl Mouse (voice)

Allen Swift

as Santa Claus (voice)

Bob McFadden

as Substation Operator / Councilmen / Handyman (voice)