Haley Joel Osment David Jude Law Gigolo Joe Frances O'Connor Monica Swinton Sam Robards Henry Swinton Jake Thomas Martin Swinton William Hurt Prof. Hobby Robin Williams Dr. Know (voice) Ben Kingsley Specialist (voice) Meryl Streep Blue Mecha (voice) Chris Rock Comedian (voice) Ken Leung Syatyoo-Sama Clark Gregg Supernerd Kevin Sussman Supernerd Tom Gallop Supernerd Eugene Osment Supernerd April Grace Female Colleague Matt Winston Executive Sabrina Grdevich Sheila Theo Greenly Todd Michael Mantell Dr. Frazier at Cryogenic Institute Keith Campbell Roadworker Brian Turk Backstage Bull Brendan Gleeson Lord Johnson-Johnson Jack Angel Teddy (voice) Tim Rigby Yeoman Enrico Colantoni The Murderer Adrian Grenier Teen in Van Matt Malloy Robot Repairman Brent Sexton Russell Erik Bauersfeld Gardener (Voice) Michael Fishman Teen in Van Diane Fletcher Sentient Machine Security Al Jourgensen Flesh Fair Band Member Rena Owen Ticket Taker Adam Alexi-Malle Crowd Member Laurence Mason Tech Director Ashley Scott Gigolo Jane Haley Joel Osment David Jude Law Gigolo Joe Frances O'Connor Monica Swinton Sam Robards Henry Swinton Jake Thomas Martin Swinton William Hurt Prof. Hobby Robin Williams Dr. Know (voice) Ben Kingsley Specialist (voice) Meryl Streep Blue Mecha (voice) Chris Rock Comedian (voice) Ken Leung Syatyoo-Sama Clark Gregg Supernerd Kevin Sussman Supernerd Tom Gallop Supernerd Eugene Osment Supernerd April Grace Female Colleague Matt Winston Executive Sabrina Grdevich Sheila Theo Greenly Todd Michael Mantell Dr. Frazier at Cryogenic Institute Keith Campbell Roadworker Brian Turk Backstage Bull Brendan Gleeson Lord Johnson-Johnson Jack Angel Teddy (voice) Tim Rigby Yeoman Enrico Colantoni The Murderer Adrian Grenier Teen in Van Matt Malloy Robot Repairman Brent Sexton Russell Erik Bauersfeld Gardener (Voice) Michael Fishman Teen in Van Diane Fletcher Sentient Machine Security Al Jourgensen Flesh Fair Band Member Rena Owen Ticket Taker Adam Alexi-Malle Crowd Member Laurence Mason Tech Director Ashley Scott Gigolo Jane Miguel Pérez Robot Repairman Wayne Wilderson Comedian Eliza Coleman General Circuita Jim Jansen Chef Clara Bellar FemMecha Nanny Michael Shamus Wiles Cop Lily Knight Voice in the Crowd (voice) Justina Machado Assistant Daveigh Chase Child Singer (scenes deleted) Kathryn Morris Teenage Honey Hunter King Amanda Haley Joel Osment David Jude Law Gigolo Joe Frances O'Connor Monica Swinton Sam Robards Henry Swinton Jake Thomas Martin Swinton William Hurt Prof. Hobby Robin Williams Dr. Know (voice) Ben Kingsley Specialist (voice) Meryl Streep Blue Mecha (voice) Chris Rock Comedian (voice) Ken Leung Syatyoo-Sama Clark Gregg Supernerd Kevin Sussman Supernerd Tom Gallop Supernerd Eugene Osment Supernerd April Grace Female Colleague Matt Winston Executive Sabrina Grdevich Sheila Theo Greenly Todd Michael Mantell Dr. Frazier at Cryogenic Institute Keith Campbell Roadworker Brian Turk Backstage Bull Brendan Gleeson Lord Johnson-Johnson Jack Angel Teddy (voice) Tim Rigby Yeoman Enrico Colantoni The Murderer Adrian Grenier Teen in Van Matt Malloy Robot Repairman Brent Sexton Russell Erik Bauersfeld Gardener (Voice) Michael Fishman Teen in Van Diane Fletcher Sentient Machine Security Al Jourgensen Flesh Fair Band Member Rena Owen Ticket Taker Adam Alexi-Malle Crowd Member Laurence Mason Tech Director Ashley Scott Gigolo Jane Miguel Pérez Robot Repairman Wayne Wilderson Comedian Eliza Coleman General Circuita Jim Jansen Chef Clara Bellar FemMecha Nanny Michael Shamus Wiles Cop Lily Knight Voice in the Crowd (voice) Justina Machado Assistant Daveigh Chase Child Singer (scenes deleted) Kathryn Morris Teenage Honey Hunter King Amanda Paula Malcomson Patricia in Mirrored Room John Prosky Mr. Williamson, the Bellman Brendan Gleeson