The Singing Detective

Robert Downey Jr.

Dan Dark

Robin Wright

Nicola / Nina / Blonde

Mel Gibson

Dr. Gibbon

Jeremy Northam

Mark Binney

Katie Holmes

Nurse Mills

Adrien Brody

First Hood

Jon Polito

Second Hood

Carla Gugino

Betty Dark / Hooker

Saul Rubinek

Skin Specialist

Alfre Woodard

Chief of Staff

Amy Aquino

Nurse Nozhki

David Dorfman

Young Dan Dark

Eddie Jones

Moonglow Bartender

Lily Knight

Woman Physiotherapist

Clyde Kusatsu

Visiting Japanese Doctor

Earl Poitier

Orderly

Don Fischer

Intern

Andy Umberger

Mr. Dark

David Denman

Soldier with Betty Dark

Alec Puro

Drummer