Cast (3)
Daws Butler
Loopy De Loop (voice)
Hal Smith
Elderly Woman / Mr. Hyde (voice)
Don Messick
Car Owner / Dr. Jekyll (voice)
Daws Butler
Loopy De Loop (voice)
Hal Smith
Elderly Woman / Mr. Hyde (voice)
Don Messick
Car Owner / Dr. Jekyll (voice)
Crew (5)
Directing
Joseph Barbera
Director
William Hanna
Director
Writing
Warren Foster
Story
Production
Joseph Barbera
Producer
William Hanna
Producer