Don Eppes
Charlie Eppes
Alan Eppes
David Sinclair
Colby Granger
Megan Reeves
Dr. Larry Fleinhardt
Oswald Kittner
Richard Clast
Bill Waldie
Claudia Gomez (as Lauren Vélez)
Kelly Johnston
Max Sheveransky
Frank Auster
Stendhauser
Coach Grady
Dr. Thomas Mandel
Trainer Lyle Weaver
Vick Johnston
Second Baseman
FBI Agent
Steroid Highschool Kid (uncredited)
Asian Punk Girl (uncredited)
FBI Agent (uncredited)