Eric Bana as Bruce Banner

Jennifer Connelly as Betty Ross

Sam Elliott as Ross

Josh Lucas as Talbot

Nick Nolte as Father

Paul Kersey as Young David Banner

Todd Tesen as Young Ross

Cara Buono as Edith Banner

Kevin Rankin as Harper

Celia Weston as Mrs. Krenzler

Mike Erwin as Teenage Bruce Banner

Lou Ferrigno as Security Guard

Stan Lee as Security Guard

Regi Davis as Security Guard

Craig Damon as Security Guard

Geoffrey Scott as President

Regina McKee Redwing as National Security Advisor

Daniel Dae Kim as Aide

Daniella Kuhn as Edith's Friend

Michael Kronenberg as Bruce Banner as Child

David Kronenberg as Bruce Banner as Child

Rhiannon Leigh Wryn as Betty Ross as Child

Lou Richards as Pediatrician

Jenn Gotzon Chandler as Waitress

Louanne Kelley as Delivery Doctor

Toni Kallen as Delivery Nurse

Paul Kim Jr. as Officer

John Littlefield as Security NCO

Lorenzo Callender as Soldier

Todd Lee Coralli as Soldier

Johnny Kastl as Soldier

Eric Ware as Soldier

Jesse Corti as Colonel

Rob Swanson as Colonel

Mark Atteberry as Technician

Eva Burkley as Technician

Rondda Holeman as Technician

John A. Maraffi as Technician

Michael Papajohn as Technician

David St. Pierre as Technician

Boni Yanagisawa as Technician

David Sutherland as Tank Commander

Sean Mahon as Comanche Pilot

Brett Thacher as Comanche Pilot

Kirk B.R. Woller as Comanche Pilot

Randy Neville as F-22 Pilot

John Prosky as Atheon Technician

Amir Faraj as Boy

Ricardo Aguilar as Boy's Father

Victor Rivers as Paramilitary

Lyndon Karp as Davey

Rick Avery as Soldier (uncredited)

Thomas Rosales Jr. as Rebel Militant (uncredited)

Ray Buffer as Atheon Captain (uncredited)

Andy Arness as Soldier (uncredited)

Rory J. Aylward as Second Tank Commander (uncredited)

Cougar Zank as Army Military / SWAT (uncredited)