Randall William Cook

as Cave Troll (uncredited)

Role: Animation Director

Role: Animation Supervisor

Role: Second Unit Director

Role: Creature Design

Role: Visual Effects

Role: Visual Effects Supervisor

Role: Visual Effects Designer

as Dr. Alan Kessler

as Self

as Newsreel Narrator (archive sound)

Role: Animation

as Vanya the Special Prosecutor

as Self

Role: Screenplay

Role: Digital Effects Supervisor

as Self

as Pirate Captain / Mr. Lambert / Voice of the Guardian

Role: Visual Effects

as Self

as Self

as Leo McCarey and Hal Roach

as Self

as Self

as Self