Mark Wahlberg as Captain Leo Davidson

Tim Roth as Thade

Helena Bonham Carter as Ari

Michael Clarke Duncan as Attar

Kris Kristofferson as Karubi

Estella Warren as Daena

Paul Giamatti as Limbo

Cary-Hiroyuki Tagawa as Krull

David Warner as Sandar

Erick Avari as Tival

Luke Eberl as Birn

Lisa Marie as Nova

Evan Parke as Gunnar

Glenn Shadix as Senator Nado

Freda Foh Shen as Bon

Chris Ellis as Commander Karl Vasich

Anne Ramsay as Lt. Col. Grace Alexander

Andrea Grano as Major Maria Cooper

Michael Jace as Major Frank Santos

Michael Wiseman as Specialist Hansen

Eileen Weisinger as Leeta

Deep Roy as Gorilla Kid / Thade's Niece

Chad Bannon as Red Ape Soldier / Man Hunt Ape

Kevin Grevioux as Limbo's 1st Handler / Ape Commander / 2nd Ape Soldier

Isaac C. Singleton, Jr. as Limbo's 2nd Handler / 1st Ape Soldier

Quincy Taylor as Ape Soldier

John Alexander as Ape Dinner Guest / Old Man Servant / Old Ape #1

Jay Caputo as 1st Ape Teenager / 2nd Ape Soldier

Philip Tan as 2nd Ape Teenager / Gossiping Male Ape

Callie Croughwell as Little Human Girl

Allie Habberstad as Girl Pet

Brett Smrz as Human Kid #1

Howard Berger as Gorilla

Rick Baker as Old Ape #2

Cameron Croughwell as Ape Soccer Kid

Joshua Croughwell as Ape Soccer Kid

Hannah Peitzman Myers as Ape Soccer Kid

Molly Peitzman as Ape Soccer Kid

Jesse Tipton as Ape Soccer Kid

Shane Habberstad as Ape Soccer Kid

Chet Zar as Fruit Vendor

Linda Harrison as Woman in Cart

Eddie Adams as Friend at Leo's Party

Todd Babcock as Friend at Leo's Party

Lorenzo Callender as Friend at Leo's Party

Shonda Farr as Friend at Leo's Party

Kam Heskin as Friend at Leo's Party

Jim Holmes as Friend at Leo's Party

Todd Kimsey as Friend at Leo's Party

Candace Kroslak as Friend at Leo's Party

Joanna Krupa as Friend at Leo's Party

Lisa Lackey as Friend at Leo's Party

Mark Christopher Lawrence as Friend at Leo's Party

Melody Perkins as Friend at Leo's Party

Tate Taylor as Friend at Leo's Party

Jonna Giovanna as Friend at Leo's Party

Charlton Heston as Zaius (uncredited)