George Clooney Frank Walker Hugh Laurie David Nix Britt Robertson Casey Newton Raffey Cassidy Athena Tim McGraw Eddie Newton Chris Bauer Frank's Dad Shiloh Nelson Young Casey Newton Kathryn Hahn Ursula Keegan-Michael Key Hugo Thomas Robinson Young Frank Walker Pierce Gagnon Nate Newton Matthew MacCaull Dave Clark Judy Greer Jenny Newton Matthew Kevin Anderson Bus Driver Michael Giacchino Small World Operator D. Harlan Cutshall Skyscraper Foreman Xantha Radley History Teacher David Nykl Science Teacher Paul McGillion English Teacher Garry Chalk Jail Desk Jockey Dagan Nish Jail Punk Alex Barima Jetpack Buddy Jedidiah Goodacre Jetpack Buddy Kate Crutchlow Monorail Mother Priya Rajaratnam Young Astronaut Leena Manro Astronaut's Mother Rick Pearce Pickup Driver Tom Butler Police Captain Michael Rowe Deputy Tim Perez Deputy Patrick Sabongui Eiffel Tower Guard #1 Mathieu Lardier Pierre Clark Fraser Corbett Jensen Darren Shahlavi Tough Guard Aidan Gemme Young British Recruiter Paul Anthony Thick Glasses (uncredited) Nicholas Barrera World's Fair Patron (uncredited) Barbara Keegan World's Fair Patron (uncredited) Jason Bell Dave Clark #7 (uncredited) Darien Provost Mikey (uncredited) Marcus Rosner Handsome Harry (uncredited) Amy Esterle Greyhound Girl (uncredited) Monique Ganderton Dave Clark #1 (uncredited) Lochlyn Munro Uncle Anthony (uncredited) Manoj Sood Economics Teacher (uncredited) George Clooney Frank Walker Hugh Laurie David Nix Britt Robertson Casey Newton Raffey Cassidy Athena Tim McGraw Eddie Newton Chris Bauer Frank's Dad Shiloh Nelson Young Casey Newton Kathryn Hahn Ursula Keegan-Michael Key Hugo Thomas Robinson Young Frank Walker Pierce Gagnon Nate Newton Matthew MacCaull Dave Clark Judy Greer Jenny Newton Matthew Kevin Anderson Bus Driver Michael Giacchino Small World Operator D. Harlan Cutshall Skyscraper Foreman Xantha Radley History Teacher David Nykl Science Teacher Paul McGillion English Teacher Garry Chalk Jail Desk Jockey Dagan Nish Jail Punk Alex Barima Jetpack Buddy Jedidiah Goodacre Jetpack Buddy Kate Crutchlow Monorail Mother Priya Rajaratnam Young Astronaut Leena Manro Astronaut's Mother Rick Pearce Pickup Driver Tom Butler Police Captain Michael Rowe Deputy Tim Perez Deputy Patrick Sabongui Eiffel Tower Guard #1 Mathieu Lardier Pierre Clark Fraser Corbett Jensen Darren Shahlavi Tough Guard Aidan Gemme Young British Recruiter Paul Anthony Thick Glasses (uncredited) Nicholas Barrera World's Fair Patron (uncredited) Barbara Keegan World's Fair Patron (uncredited) Jason Bell Dave Clark #7 (uncredited) PewDiePie PewDiePie (uncredited) Darien Provost Mikey (uncredited) Jackson Tessmer 1964 World's Fair Boy (uncredited) Marcus Rosner Handsome Harry (uncredited) Clint Carleton Pierre Clark (uncredited) Michael Ray Davis Lonely Man (uncredited) Amy Esterle Greyhound Girl (uncredited) Monique Ganderton Dave Clark #1 (uncredited) Glen Gordon Donnie / Science Kid (uncredited) Kory Grim Dave Clark Henchman (uncredited) Raiden Integra Pedestrian (uncredited) Laura MacKillop Betsy (uncredited) Grae Marino Motorist (uncredited) Catherine Michaud Young Attendee (uncredited) Lochlyn Munro Uncle Anthony (uncredited) Aliyah O'Brien Functionary (uncredited) Eddie Perez Dick Clark #2 (uncredited) Bruce Salomon Max / Louis (uncredited) Manoj Sood Economics Teacher (uncredited) George Clooney Frank Walker Hugh Laurie David Nix Britt Robertson Casey Newton Raffey Cassidy Athena Tim McGraw Eddie Newton Chris Bauer Frank's Dad Shiloh Nelson Young Casey Newton Kathryn Hahn Ursula Keegan-Michael Key Hugo Thomas Robinson Young Frank Walker Pierce Gagnon Nate Newton Matthew MacCaull Dave Clark Judy Greer Jenny Newton Matthew Kevin Anderson Bus Driver Michael Giacchino Small World Operator D. Harlan Cutshall Skyscraper Foreman Xantha Radley History Teacher David Nykl Science Teacher Paul McGillion English Teacher Garry Chalk Jail Desk Jockey Dagan Nish Jail Punk Alex Barima Jetpack Buddy Jedidiah Goodacre Jetpack Buddy Kate Crutchlow Monorail Mother Priya Rajaratnam Young Astronaut Leena Manro Astronaut's Mother Rick Pearce Pickup Driver Tom Butler Police Captain Michael Rowe Deputy Tim Perez Deputy Patrick Sabongui Eiffel Tower Guard #1 Mathieu Lardier Pierre Clark Fraser Corbett Jensen Darren Shahlavi Tough Guard Aidan Gemme Young British Recruiter Paul Anthony Thick Glasses (uncredited) Nicholas Barrera World's Fair Patron (uncredited) Barbara Keegan World's Fair Patron (uncredited) Jason Bell Dave Clark #7 (uncredited) PewDiePie PewDiePie (uncredited) Darien Provost Mikey (uncredited) Jackson Tessmer 1964 World's Fair Boy (uncredited) Marcus Rosner Handsome Harry (uncredited) Clint Carleton Pierre Clark (uncredited) Michael Ray Davis Lonely Man (uncredited) Amy Esterle Greyhound Girl (uncredited) Monique Ganderton Dave Clark #1 (uncredited) Glen Gordon Donnie / Science Kid (uncredited) Kory Grim Dave Clark Henchman (uncredited) Raiden Integra Pedestrian (uncredited) Laura MacKillop Betsy (uncredited) Grae Marino Motorist (uncredited) Catherine Michaud Young Attendee (uncredited) Lochlyn Munro Uncle Anthony (uncredited) Aliyah O'Brien Functionary (uncredited) Eddie Perez Dick Clark #2 (uncredited) Bruce Salomon Max / Louis (uncredited) Manoj Sood Economics Teacher (uncredited)