Simon & Marcy "everyone [working on the series] was pitching in to make this one special". The episode features the voice of Ava Acres, who portrays the young version of Marceline. Acres had previously appeared in the third season episode "Memory of a Memory". As mentioned above, the episode makes notable use of the 1982 song "Where Everybody Knows Your Name" by Gary Portnoy—better known as the theme to the sitcom "Cheers". According to Sugar's father, Rob, on his official YouTube channel, the use of the song started merely as a placeholder. However, as the episode developed, Sugar decided to keep it in
Michael Portnoy Michael Portnoy Michael Portnoy is an American multimedia artist, choreographer, musician, actor and curator. He calls himself a "Director of Behavior". He has been described in "Art in America" as "one of the most interesting performance artists anywhere". Portnoy was born in Washington, D.C., and studied comparative literature and creative writing at Vassar College and theater at the National Theater Institute at The Eugene O'Neill Theater Center. After moving to New York City, he formed several short-lived experimental theater groups and then began concentrating on solo performance. His early performance works, such as "Gymnastics and Schizophrenia" and "5teen3sy: Kicking Games