Jimmy Keegan

as Henry Bigg (voice)

Bettina Bush

as Lucy Little (voice)

Donavan Freberg

as Tom Little (voice)

Hal Smith

as Uncle Augustus (voice)

Gregg Berger

as William Little (voice)

Patricia Parris

as Helen Little (voice)

Alvy Moore

as Grandpa Little (voice)

Robert David Hall

as Dinky Little (voice)

Mona Marshall

as Mrs. Evans (voice)