Robert Downey Jr.

Harry Lockhart

Val Kilmer

Gay Perry

Michelle Monaghan

Harmony Faith Lane

Corbin Bernsen

Harlan Dexter

Dash Mihok

Mr. Frying Pan

Larry Miller

Dabney Shaw

Rockmond Dunbar

Mr. Fire

Shannyn Sossamon

Pink Hair Girl

Angela Lindvall

Flicka

Indio Falconer Downey

Harry Age 9

Ariel Winter

Harmony Age 7

Duane Carnahan

Chainsaw Kid

Josh Richman

Rickie

Martha Hackett

Pistol Woman

Nancy Fish

NY Casting Woman

Bill McAdams Jr.

N.Y. Cop

Tanja Reichert

B-Movie Actress

Jake McKinnon

Creature

Stephanie Pearson

Teen Harmony

Christopher Gilman

Protocop

Brendan Fehily

Local News Reporter

David Newsom

Agent Type

Judie Aronson

Gift Bag Girl

Ali Hillis

Marleah

Wiley M. Pickett

Homicide Cop

Joe Keyes

Lobby Cop

Bobby Tuttle

Hotel Concierge

Jake Eberle

Patrol Cop

Saida Pagan

News Anchor

Lela Edgar

Party Girl

Daniel Browning Smith

Rubber Boy

Teresa Maria Herrera

Newswoman

Kathy Lamkin

Woman in Hospital Blues

Evan Parke

Dexter Clinic Guard

Vincent Laresca

Aurelio

Brian Simpson

Dexter Goon

Cole S. McKay

Dexter Goon

Ben Hernandez Bray

Dexter Goon

Harrison Young

Harmony's Dad

Laurence Fishburne

Bear in Genaros Beer Commercial (voice) (uncredited)

Deanna Dozier

Kristin (uncredited)