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)