Heathcliff (voice)
Iggy (voice) (archive footage)
Pop (voice) (archive footage)
Marcy (voice) (archive footage)
Wordsworth (voice) (archive footage) (as Stanley Jones)
Sonja / Grandma (voice) (archive footage)
Hector / Fish Market Proprietor (voice) (archive footage)
Lefty / Knuckles / Muggsy / Spike / Mr. Woodley / Additional Voices (voice) (archive footage)
Mr. Woodley's Secretary (voice) (archive footage)
General / Announcer / Raul (voice) (archive footage)
Grandpa / Mungo (voice) (archive footage)
Heathcliff's Nephew #1 (voice) (uncredited)
Heathcliff's Nephew (voice) (uncredited)