Pups Alone

Jerry O'Connell

Charlie (voice)

Jennifer Love Hewitt

Gidget (voice)

Rob Schneider

Jose (voice)

Danny Trejo

Vinnie P (voice)

Malcolm McDowell

Oliver (voice)

Keith David

The Wise Bartender

Dolph Lundgren

Victor von Manure

Tyler Hollinger

Robert

Isadora Swann

Jenna

Nicholas Turturro

Benny

Sara Lindsey

Holly

Stelio Savante

Lenny

Peter Looney

Grandpa Peter

Eric Roberts

CEO Bill

Christopher Frontiero

Johnson

Zena Gaynes

Granny

Brandon Burrows

Officer Duewrong

Christopher Zuckert

Rookie Mailman

Steven C. Bennett

Veteran Mailman

Joshua Lou Friedman

Detective Tom Foolery

Allegra Lucchesi

Michelle

Renee Dorian

Jennifer

Tyler Sabino

Edmond

Courtney Lauren Penn

Madeline

Myke Michaels

Corwin

Ellie Panger

Granny's Granddaughter

Marlon Young

Narrator (voice) (uncredited)