David Yost as Billy Cranston

Walter Jones as Zack Taylor

Charlie Kersh as Minh Kwan

Steve Cardenas as Rocky DeSantos

Catherine Sutherland as Kat Hillard

Richard Steven Horvitz as Alpha (voice)

Barbara Goodson as Robo Rita (voice)

Daniel Watterson as Robo Snizzard (voice)

Ryan Cooper as Robo Minotaur (voice)

Karan Ashley as Aisha Campbell

Johnny Yong Bosch as Adam Park

Benny Joy Smith as Annie

Howard Cyster as Boyfriend