Extinct

Kevin Michael Richardson

Sled Dogs (voice)

Catherine O'Hara

Alma (voice)

Zazie Beetz

Dottie (voice)

Benedict Wong

Dr. Chung (voice)

Adam Devine

Ed (voice)

Henry Winkler

Jepson (voice)

Richard Kind

Wally (voice)

Ken Jeong

Clarance (voice)

Tom Kenny

Mozart / Sled Dogs (voice)

Tom Hollander

Charles Darwin (voice)

Rachel Bloom

Op (voice)

Nick Frost

Captain (voice)

Raymond S. Persi

That Guy / Booby (voice)

Kelly Hu

News Reporter (voice)

Alex Borstein

Mali (voice)

Jon Lovitz

Conch (voice)

Maria Bamford

Bo's Mom (voice)

Steve Aoki

Vinny (voice)

Reggie Watts

Hoss / Ernest Shackleton (voice)

Jim Jefferies

Burnie (voice)

Jason Hightower

Narrator / Sled Dogs (voice)

Julia Chan

Mrs. Sun / Little Girl (voice)

Sydney Liu

Bo (voice)

Terry Gross

Bomb (voice)

Wilhelm Boyens

Additional Voices