Thelma the Unicorn

Brittany Howard

Thelma the Unicorn (voice)

Will Forte

Otis (voice)

Jemaine Clement

Vic Diamond (voice)

Edi Patterson

Megan (voice)

Maliaka Mitchell

Peggy Purvis (voice)

Ally Dixon

Nikki Narwhal (voice)

Fred Armisen

Danny Stallion (voice)

Zach Galifianakis

Crusty Trucker (voice)

Jon Heder

Reggie (voice)

Kristen Schaal

Goat Girl (voice)

Natalie Morales

Penelope Pizazz (voice)

Eduardo Franco

Goon #2 (voice)

Sherry Cola

Female Talent Judge (voice)

Geno Segers

Male Talent Judge (voice)

Betsy Sodaro

Cow (voice)

Shondrella Avery

Zirconia (voice)

Héctor Jiménez

Esteban (voice)

James Urbaniak

Confused Fan (voice)