Noah Wyle:Steve Jobs;Joey Slotnick:Steve Wozniak;J.G. Hertzler:Ridley Scott;Anthony Michael Hall:Bill Gates;Wayne Pére:Captain Crunch;Sheila Shaw:Mrs. Wozniak;Gema Zamprogna:Arlene;John DiMaggio:Steve Ballmer;Josh Hopkins:Paul Allen;Gailard Sartain:Ed Roberts;Allan Kolman:Therapeut;Marcus Giamatti:Dan Kottke;Melissa McBride:Elizabeth Holmes;Jeffrey Nordling:Mike Markkula;Marc Worden:Chris Larson;Allan Royal:John Sculley