Max Steel

Ben Winchell

Max McGrath

Josh Brener

Steel (voice)

Maria Bello

Molly McGrath

Ana Villafañe

Sofia Martinez

Andy Garcia

Dr. Miles Edwards

Mike Doyle

Jim McGrath

Phillip DeVona

Harkins

Billy Slaughter

Agent Murphy

Al Mitchell

Dr. Smith

Lawrence Kao

Dr. Lee

Brett Gentile

Mr. Quinn

Jahneé Wallace

Student / Thirsty Kid