Believe You Can... And You Can! Essentially an informercial to advertise the newly remodeled Fantasyland at Disneyland in 1983. It features Heather O'Rourke fresh off of Poltergeist and Morey Amsterdam. Details Casts Videos Posters Title Believe You Can... And You Can! Release Date 1983-04-21 Runtime 00 Hours 30 Minutes Genres Family TV Movie Production Companies Walt Disney Television Production Countries United States of America Morey Amsterdam... J. Fauntenoy Chiffenrobe... Heather O'Rourke... Herself... Lance Sloan... Billy... Mary Ann Seltzer... Mom... Tammy O'Rourke... Believer... Heather O'Rourke - Believe you can... and you can! Part 01 (Clip) Original Size (1000x1500)