Adam Devine

Ed (voice)

Rachel Bloom

Op (voice)

Zazie Beetz

Dottie (voice)

Ken Jeong

Clarance (voice)

Jim Jefferies

Burnie (voice)

Catherine O'Hara

Alma (voice)

Reggie Watts

Hoss / Ernest Shackleton (voice)

Henry Winkler

Jepson (voice)

Alex Borstein

Mali (voice)

Benedict Wong

Dr. Chung (voice)

Julia Chan

Mrs. Sun / Little Girl (voice)

Tom Hollander

Charles Darwin (voice)