Max McGrath
Steel (voice)
Molly McGrath
Dr. Miles Edwards
Sofia Martinez
Jim McGrath
Harkins
Murphy
Dr. Smith
Dr. Lee
Mr. Quinn
Student / Thirsty Kid (as Jahnee Wallace)
Ms. Bernardo
Attentive Kid
Punk
Stalled Car Woman
Agent Kat Ryan (as Elizabeth Ludlow)
Freshman
Control Room Operator
Scientist #2
NTEK Agent
NTEK Agent (as Richard Wesley Howren)
Baby Max McGrath
Bully (uncredited)
Pedestrian (uncredited)
NTEK Agent (uncredited)
Student (uncredited)
Popular Girl (uncredited)
Girl on Date (uncredited)
High School Student (uncredited)
Student / Skater (uncredited)
Air Force Officer (uncredited)