Eva Noblezada
Sam (voice)

Simon Pegg
Bob (voice)

Jane Fonda
Dragon (voice)

Whoopi Goldberg
Captain (voice)

Colin O'Donoghue
Gerry (voice)

Lil Rel Howery
Marvin (voice)

Flula Borg
Jeff the Unicorn (voice)

John Ratzenberger
Rootie (voice)

Adelynn Spoon
Hazel (voice)

Grey DeLisle
Mrs. Rivera / Saorise / Penny Depot Boss (voice)

Suzy Nakamura
Social Worker (voice)

Kari Wahlgren
Hazel's Mom / Aine (voice)

Kwaku Fortune
Gael (voice)

Chris Edgerly
Typing Bunny (voice)

Moe Irvin
Phil the Pig Foreman (voice)

Nick Thurston
Hazel's Dad / Nosy Cat (voice)

Fred Tatasciore
Quinn / Fred (voice)