How many movies have Hal Smith and Marilyn Schreffler acted in together?

They have worked on 2 movies together! Their first movie together was Yogi's First Christmas (1980) while their highest rated movie together was Scooby-Doo's Original Mysteries (2000). They have not worked together since Scooby-Doo's Original Mysteries (2000).

Role
Additional Voices (voice) (archive footage)
Role
(voice) (archive footage)
Role
Otto the Chef / Santa Claus (voice)
Role
Snively Throckmorton (voice)