Julie's Greenroom Ms. Julie teaches performing arts workshops with the help of her assistant Gus at their Wellspring Center for the Performing Arts. Details Casts Galleries Posters Season Lists Title Julie's Greenroom Genres Family Kids First Air Date 2017-03-17 Last Air Date 2017-03-17 Episode Runtime 00 Hours 00 Minutes Total Season(s) 1 Total Episode(s) on All Seasons 13 Runtime Production Companies The Jim Henson Company Julie Andrews... Ms. Julie... Giullian Yao Gioiello... Gus... Frankie Cordero... Spike (voice)... Jennifer Barnhart... Riley (voice)... Tyler Bunch... Hugo (voice)... Stephanie D'Abruzzo... Peri (voice)... Dorien Davies... Fizz (voice)... John Tartaglia... Hank (voice)... John E. Kennedy... Toby (voice)... Original Size (3840x2160) Original Size (500x750) Season 1 13 Episode(s) 2017-03-17