Jerry Hickfang/Mr. Whiskers/Bosco/Deer/Bunny/Monkey

Ryan Reynolds

Fiona

Gemma Arterton

Lisa

Anna Kendrick

Dr. Warren

Jacki Weaver

Jerry (12 years old)

Gulliver McGrath

Alison

Ella Smith

Dennis Kowalski

Paul Chahidi

Trendy John

Adi Shankar

Mack

Paul Brightwell

Sheriff Weinbacher

Stanley Townsend

Sheryl

Alessa Kordeck

Dave

Sam Spruell

Sheila Hammer

Ricardia Bramley

Jerry's Mother

Valerie Koch

Jesus

Michael Pink

Tom

Alex Tondowski

Chinese Elvis

Kai Fung Rieck

Tina TV

Stephanie Vogt

Jerry

Aaron Kissiov

Female Cop

Antje Rau

Bosco

Hamish

Girl

Samantha Kelly