Dunn, who recently co-starred in HBO's Luck, will play Apple chairman Gil Amelio. Simmons, known from his nine seasons on Law & Order, will appear as venture capitalist and Apple investor Arthur Rock. Among the other additions to the cast, Henson plays computer scientist and Macintosh developer Andy Hertzfeld; Jacobson portrays Apple engineer Burrell Smith; Matthey is iPod designer Jonathan Ive; O'Reilly plays Jobs' girlfriend Chris-Ann Brennan; and Rasuk is Apple's first employee and user interface architect Bill Fernandez.
You can learn more about the film here. Also, check out some photos of Ashton Kutcher playing Steve Jobs on LSD.