Angela Bassett

Dr. Kulinda (voice)

John Goodman

Hal Houston (voice)

Frank Welker

Curious George (voice)

Jeff Bennett

Ted (voice)

Alexander Polinsky

Tech Andrew (voice)

Gwendoline Yeo

Popcorn Vendor / Automated Voice (voice)

Phil LaMarr

Plane Mechanic / Dam Operator (voice)

Dee Bradley Baker

Additional Voices (voice)

Steve Josefson

Additional Voices (voice)