马特·达蒙

Matt Damon

饰：本杰明·米 Benjamin Mee

斯嘉丽·约翰逊

Scarlett Johansson

饰：凯丽 Kelly Foster

艾丽·范宁

Elle Fanning

饰：莉莉 Lily Miska

托马斯·哈登·丘奇

Thomas Haden Church

饰：邓肯 Duncan Mee

科林·福特

Colin Ford

饰：迪伦 Dylan Mee

麦琪·伊丽莎白·琼斯

Maggie Elizabeth Jones

饰：洛希 Rosie Mee

安古斯·麦克菲登

Angus Macfadyen

饰：皮特 Peter MacCready

约翰·迈克尔·辛吉斯

John Michael Higgins

饰：沃尔特 Walter Ferris

派屈克·福吉特

Patrick Fugit

饰：罗宾 Robin Jones

卡拉·盖洛

Carla Gallo

饰：Rhonda Blair

J·B·斯穆夫

J.B. Smoove

饰：Mr. Stevens

斯特芬妮·斯佐斯塔克

Stephanie Szostak

饰：Katherine Mee

德丝·莱迪克

Desi Lydic

饰：Shea Seger (Lasagna Mom)

金·惠特利

Kym Whitley

饰：Cashier

Alice Marie Crowe

Alice Marie Crowe

饰：Parrot Lady

彼得·里格特

Peter Riegert

饰：Delbert McGinty

迈克尔·潘斯

Michael Panes

饰：Principal

Roberto Montesinos

Roberto Montesinos

饰：Hugo Chavez

Todd Stanton

Todd Stanton

饰：San Diego Vet

达斯汀·伊巴拉

Dustin Ybarra

饰：Nathan

埃里克·查瓦里亚

Erick Chavarria

饰：Ernesto

Sam Fox

Sam Fox

饰：Allison

Ben Seeder

Ben Seeder

饰：Bruce

Michelle Panek

Michelle Panek

饰：Sarah Tanner (Vet Assistant)

Gary D. Robertson

Gary D. Robertson

饰：Male Zookeeper

Nicole Liberman

Nicole Liberman

饰：Joyce Jameson

乔治F·沃森

George F. Watson

饰：Zoo patron (uncredited)

Timothy 'TJ' James Driscoll

饰：Parrot Man (uncredited)

大卫·达斯汀·凯尼恩

David Dustin Kenyon

饰：Pilot

约翰尼·希科

Johnny Cicco

饰：Zoo Staff

巴特

Bart the Bear

饰：Buster the Bear

Stevie Mack

Stevie Mack

饰：Zoo Patron

Morgan Bertsch

Morgan Bertsch

饰：Popcorn Stand Girl (uncredited)

Lily Rains

Lily Rains

饰：Sentimental Mother (uncredited)

Shannah Barrett

饰：Party Girl

水晶

Crystal the Monkey

饰：Crystal the Capuchin

Thomas R. Baker

Thomas R. Baker

饰：Pilot

Caroline Elizabeth Hanna

Caroline Elizabeth Hanna

饰：Zoo Patron

David Lopez

David Lopez

饰：Zoo Patron

本杰明·米尔

Benjamin Mee

饰：Visiting Family

Ella Mee

Ella Mee

饰：Visiting Family

Milo Mee

Milo Mee

饰：Visiting Family

Sammi Yorn

Sammi Yorn

饰：Visiting Family

William Crowe

William Crowe

饰：Zoo Kid

Curtis Crowe

Curtis Crowe

饰：Zoo Kid

Alexia Barroso

Alexia Barroso

饰：Zoo Staff

Christie Kittelsen

Christie Kittelsen

饰：Zoo Lover

Michelle Pickens

Michelle Pickens

饰：Zoo Lover

Gabriel Escalante

Gabriel Escalante

饰：Segundo

Tank

Tank

饰：Buster the Bear

Felix

Felix

饰：Solomon the Lion

Ninja

Ninja

饰：Ronnie the Binturong

Daniel John Chase

Daniel John Chase

饰：Zoo Employee (uncredited)

Machelle Pickens

Machelle Pickens

饰：Zoo Lover (as Michelle Pickens)

Steven The Birdman aka Lee

Steven The Birdman aka Lee

饰：Zoo Patron (as Steven Lee)

Kate Yerves

饰：Zoo Patron

穆善达·李

Mushond Lee

饰：Zoo Patron (as Steven Lee)

Nicole Russell

Nicole Russell

饰：Volunteer

Reid Peters

Reid Peters

饰：Volunteer

Taylor Victoria Cerza

Taylor Victoria Cerza

饰：Zoo Patron

Steve Bessette

Steve Bessette

饰：Zoo Patron

Hal Alpert

Hal Alpert

饰：Zoo Patron

Leslie Trotter

Leslie Trotter

饰：Zoo Patron

劳伦·桑切斯

Lauren Sanchez

饰：TV Anchor

斯蒂芬妮·莎丝泰克

Stephanie Szostak

饰：凯瑟琳

Machelle Glassburn

饰：Zoo Lover

David James Pryce

饰：Zoo Patron,(as David Lopez)