크레딧 출연 Richard Steven Horvitz Billy (voice) Grey DeLisle Mandy (voice) Greg Eagles The Grim Reaper (voice) 스텝 Maxwell Atoms Directing Maxwell Atoms Writing Diana Ritchey Production Genndy Tartakovsky Production Guy Moon Sound Paul Douglas Editing Maxwell Atoms Art Haven Alexander Production Jay Bastian Production Khaki Jones Production Joe Sandusky Production Howard Schwartz Production Scott Setterberg Production Linda Simensky Production Linda Steiner Production Kim Bowen Art Lisa Leonardi-Knight Art Eric Nordberg Art Bill Ohanesian Art Scott Morse Art Jim Hearn Sound Kerry Iverson Sound Glenn Oyabe Sound Robert Alvarez Visual Effects Maxwell Atoms Editing