Fright from Wrong

The Ghostly Trio give Casper the Friendly Ghost a pill to make him as mean as they are.

Animation

Cecil Roy

(Casper (voice) (uncredited))

Sid Raymond

(Ghost #1 (voice) (uncredited))

Jack Mercer

(Ghost #3 / Evil Casper (voice) (uncredited))

Jackson Beck

(Ghost #2 (voice) (uncredited))