A famous scientist invents a humanoid robot (the titular "monster"), so a greedy rival scientist plans to steal it for use in his criminal plans. His henchmen often kidnap a trained gorilla (the titular "ape") from the zoo, to aid in the schemes.
Ken Morgan
Prof. Ernst
Prof. Franklin Arnold
Babs Arnold
Flash
Dick Nordik
Joe Flint
Joe Butler
Blake
Mead
First Cop with Thor
Police Inspector Hamilton
Mason
Thor
Prof. Marsden
Zoo Guard
