Bill Thompson

Mister Slate (voice)

King Hubert (voice)

Uncle Waldo (voice)

White Rabbit / Dodo (voice)

Mr. Smee (voice)

Jock / Bull / Policeman at Zoo / Dachsie / Joe (voice)

(voice) (archive sound) (uncredited)

Telephone (voice) (uncredited)

Professor Owl

L.G.

Professor Owl / Bertie Birdbrain

Mr. Smee (voice) (archive sound)

Governor Keith / Tour Guide (voice)

Donald's Grandpa / Ranger (voice) (uncredited)

Little John (voice) (uncredited)

Mr. Smee (voice) (archive footage)

Ranger J. Audubon Woodlore (voice) (uncredited)

Policeman (voice) (uncredited)

Ranger J. Audubon Woodlore

J. Audubon Woodlore (voice)

Droopy (voice) (uncredited)

Narrator / Child Psychology (voice) (uncredited)

Mr. Smee (voice) (archive footage)

Droopy (voice) (uncredited)