Thelma the Unicorn A singing pony who dreams of stardom finds instant fame when she transforms into a sparkly unicorn — but becoming a celebrity is one wild ride. Details Casts Videos Galleries Posters Title Thelma the Unicorn Release Date 2024-05-17 Runtime 01 Hours 37 Minutes Genres Animation Fantasy Family Production Companies Mikros Animation, Scholastic Productions, BuzzFeed Studios Production Countries France, United States of America Brittany Howard... Thelma the Unicorn (voice... Will Forte... Otis (voice)... Jemaine Clement... Vic Diamond (voice)... Edi Patterson... Megan (voice)... Maliaka Mitchell... Peggy (voice)... Ally Dixon... Nikki Narwhal (voice)... Fred Armisen... Danny Stallion (voice)... Zach Galifianakis... Crusty Trucker (voice)... Jon Heder... Reggie (voice)... 'Fire Inside' Sing Along Lyric Video (Clip) Official Trailer (Trailer) Original Size (1296x730) Original Size (3680x2070) Original Size (1842x1036) Original Size (2048x1152) Original Size (2048x1152) Original Size (1280x720) Original Size (1280x1920) Original Size (900x1350) Original Size (1000x1500) Original Size (1280x1920) Original Size (500x750) Original Size (2000x3000)