Andy Serkis as Caesar

James Franco as Will Rodman

Freida Pinto as Caroline Aranha

John Lithgow as Charles Rodman

Brian Cox as John Landon

Tom Felton as Dodge Landon

Tyler Labine as Robert Franklin

Karin Konoval as Maurice / Court Clerk

Terry Notary as Rocket / Bright Eyes

Christopher Gordon as Koba

Richard Ridings as Buck

Devyn Dalton as Cornelia

Jay Caputo as Alpha

David Hewlett as Douglas Hunsiker

David Oyelowo as Steven Jacobs

Jamie Harris as Rodney

Ty Olsson as Chief John Hamil

Joey Roche as Todd Hunsiker

Madison Bell as Alice Hunsiker

Makena Joy as Alice Hunsiker (Teen)

Kevin O'Grady as Animal Control Officer #1

Sean Tyson as Animal Control Officer #2

Kyle Riefsnyder as CHP #1

Anthony McRae as CHP #2

Jesse Reid as Donnie Thompson

BJ Harrison as Dottie

Leah Gibson as Party Girl #1

Tracy Spiridakos as Party Girl #2

Ivan Wanis-Ruiz as Handler @ Lab #1

Trevor Carroll as Handler @ Lab #2

Chelah Horsdal as Irena - Charles' Nurse

Mattie Hawkinson as Linda - Lab Tech

James Pizzinato as Lab Tech

Ryan Jefferson Booth as South Side Commander

Gordon Douglas Myren as Local Guy

Elizabeth Weinstein as Mom in Muir Woods

Jeb Beach as Dad in Muir Woods

Jack Kuris as Boy in Muir Woods

Meredith Grantier as New Aide

Javier Caballero Cano as Newspaper Dad

Peter Bundic as Newspaper Boy #1

Dylan Nouri as Newspaper Boy #2

Derek Morrison as Security Guard #1

Dean Redman as Security Guard #2

Hector Johnson as Security Guard #3

David Richmond-Peck as Board Member #1

Adrian Hough as Board Member #2

Evans Johnson as Board Member #3

Qayam Devji as Todd's Buddy

Riel Hahn as Zoo Guide

Michael Kopsa as Jerk Driver

Steve Lawlor as SFPD #1

Chris Shields as SFPD #2

Sandy Robson as SFPD #3

Mike Dopud as Northside Officer

Stacey Schmidt as Jogger

Willy Miles as Guy with Newspaper

Adrian Hein as Sharp Shooter

Trevor Addie as Ape (uncredited)

Jeffery Aro as Ape (uncredited)

Trevor Jones as Ape (uncredited)

Camille Atebe as Playground Mom (uncredited)

Rufus Dorsey as CHP #3 (uncredited)

Sonja Bennett as Mother on Sidewalk (uncredited)

Loyd Bateman as Ape (uncredited)

Tom Franco as Mounted Officer (uncredited)

Scott Lang as Ape (uncredited)

Matteo Mariotti as Child in Car (uncredited)

Kis Yurij as Worker (uncredited)

Frédéric North as Camera Ship Pilot (uncredited)

Sean Connor Roche as Teen Todd Hunsiker (uncredited)

Luc Roderique as SWAT (uncredited)

Lauren Watson as Scared Girl in Stairway (uncredited)

Timothy Webber as Janitor / Stan Timko (uncredited)

Linda Watters as Primate Lab Technician (uncredited)

Monica Mustelier as Lab Tech #3 (uncredited)