 Ernst started his career in television serving as editor on "Gilligan's Island", "Cimarron Strip" and "Gunsmoke", he later moved on to film editing.Ernst went to work at Ralph Bakshi's studio editing movies such as "Coonskin", "The Lord of the Rings", "Wizards" and "Hey Good Lookin'".Upon joining Disney, Ernst got a chance to produce films such as "Aladdin", "" and "Fantasia 2000".