Winnie the Pooh Credits- There's no way this is right... ???

[Ark]

From "Winnie the Pooh's ABC's" (1987).

With the Voice Talents of:
John Ritter - Narrator
Jennifer Hale - Winnie the Pooh
Christine Cavanaugh - Pooh Bear (Sings)
Paul Winchell - Tigger
Maddie Blaustein - Tigger (Sings)
Mary Kay Bergman - Roo
Phil Hartman - Eeyore
Dana Hill - Piglet
Ken Sansom - Rabbit
Hal Smith - Owl

Heather North - Christopher Robin

I feel like somebody was just making up an interesting cast in their mind, but maybe I'm wrong. An incredible cast if so.