Jim Parsons

Oh (voice)

Rihanna

Gratuity 'Tip' Tucci (voice)

Steve Martin

Capitain Smek (voice)

Jennifer Lopez

Lucy Tucci (voice)

Matt Jones

Kyle (voice)

Brian Stepanek

Gorg Commander / Father / Boov (voice)

Stephen Kearin

Boov (voice)

April Winchell

Boov (voice)