Boo Moon Casper the Friendly Ghost comes to the aid of King Luna and his people after being attacked by invading Tree Men. On the 3D Bluray 3-D Rarities Volume 1, this appears as an extra in 3D. Details Casts Posters Title Boo Moon Release Date 1954-01-01 Runtime 00 Hours 07 Minutes Genres Animation Comedy Family Fantasy Production Companies Famous Studios Production Countries United States of America Cecil Roy... Casper... Jackson Beck... King Luna/Moon People... Jack Mercer... Moon People... Allen Swift... Lookout... Original Size (960x1440)