Robin Williams

Character: Parry

Jeff Bridges

Character: Jack

Amanda Plummer

Character: Lydia

Mercedes Ruehl

Character: Anne

Michael Jeter

Character: Homeless Cabaret Singer

William Jay Marshall

Character: Jamaican Bum

Chris Howell

Character: Red Knight

Adam Bryant

Character: Radio Engineer

Paul Lombardi

Character: Radio Engineer

David Hyde Pierce

Character: Lou Rosen

Ted Ross

Character: Limo Bum

Lara Harris

Character: Sondra

Warren Olney

Character: TV Anchorman

Frazer Smith

Character: News Reporter

Kathy Najimy

Character: Crazed Video Customer

Harry Shearer

Character: Sitcom Actor Ben Starr

Melinda Culea

Character: Sitcom Wife

James Remini

Character: Bum at Hotel

Mark Bowden

Character: Doorman

John Ottavino

Character: Father at Hotel

Brian Michaels

Character: Little Boy

Jayce Bartok

Character: First Punk

Dan Futterman

Character: Second Punk

Bradley Gregg

Character: Hippie Bum

William Preston

Character: John the Bum

Al Fann

Character: Superintendent

Stephen Bridgewater

Character: Porno Customer

John Heffernan

Character: Stockbroker Bum

Richard LaGravenese

Character: Strait Jacket Yuppie

Anita Dangler

Character: Bag Lady

Mark Bringelson

Character: Drooler

Johnny Paganelli

Character: Pizza Boy

Diane Robin

Character: Receptionist

Benjamin Redman

Character: Motorcyclist

Lisa Blades

Character: Parry's Wife

Christian Clemenson

Character: Edwin

Carlos Carrasco

Character: Doctor

Joe Jamrog

Character: Guard

John de Lancie

Character: TV Executive

Lou Hancock

Character: Nurse

Caroline Cromelin

Character: Radio Show Call-In (voice)

Kathleen Bridget Kelly

Character: Radio Show Call-In (voice)

Pat Fraley

Character: Radio Show Call-In (voice)

Mel Bourne

Character: Langdon Carmichael (uncredited)

Kristen Connors

Character: Ballroom Dancer (uncredited)

Jack Mulcahy

Character: Passerby (uncredited)

Tom Waits

Character: Disabled Vet (uncredited)

Craig 'Radio Man' Castaldo

Character: Bum (uncredited)