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)

Phil Hendrie
Bald Guy (voice)

Daran Norris
Stable Hand (voice)