Nathan Lane as Ernie Smuntz

Lee Evans as Lars Smuntz

Vicki Lewis as April Smuntz

Maury Chaykin as Alexander Falko

Eric Christmas as The Lawyer

Michael Jeter as Quincy Thorpe

Debra Christofferson as Ingrid

Camilla Søeberg as Hilde

Ian Abercrombie as Auctioneer

Annabelle Gurwitch as Roxanne Atkins

Eric Poppick as The Banker

Ernie Sabella as Maury

William Hickey as Rudolf Smuntz

Christopher Walken as Caesar

Cliff Emmich as Mayor McKrinle

Melanie MacQueen as Mayor's Wife

Brianna Shebby as Becky

Danielle Shebb as Betty

Leslie Upson as Leslie Reinhart

Mario Cantone as Zeppco Suit #1

Peter Anthony Rocca as Zeppco Suit #2

Steve Bean as Lester Dinkus

Suzanne Krull as Waitress #1

William Frankfather as Mr. Texas

Patrick Thomas as Construction Worker #1

Peter Gregory as Doctor

E.J. Callahan as Historical Clerk

Susan Blommaert as Ms. Park Avenue

Valorie Armstrong as Franklin's Wife

Michael X. Sommers as Paramedic

Michael K. Ross as Cop

José Rey as Cuban Postal Worker

Carmen Filpi as Pallbearer #4

Harper Roisman as Factory Worker #1

David Fresco as Factory Worker #2

Scott Alan Smith as City Paramedic

Sarah Dampf as Crying Child

Orville Stoeber as Expert #1

David Weisenberg as Expert #2

Fred Pierce as Large Nosed Man

Clement Blake as Homeless Man

Saverio Carubia as Photographer

Pep Torres as Bus Boy

Jack Angeles as Kennel Employee (uncredited)

Greg Bronson as Neighbor (uncredited)

Whit Hertford as Vinny (uncredited)

Frank Welker as Catzilla / Mouse (voice) (uncredited)