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
Mike Portnoy "alternate stage name" Max Del Fuvio. He was seen playing Pink Floyd's Sheep on a sunburst 4-string Music Man Sterling belonging to Myung on "The Making of Systematic Chaos". He plays bass guitar and xylophone during a jam by Liquid Trio Experiment 2. He has also contributed lead and harmony vocals to numerous projects. Portnoy and his wife Marlene (née Apuzzo) live in Upper Saucon Township in the Lehigh Valley region of Pennsylvania with their children, Melody Ruthandrea and Max John. Marlene used to be a guitarist in the all-female band Meanstreak, and two of the other members, guitarist Rena