Michael Douglas
Liberace

Matt Damon
Scott Thorson

Dan Aykroyd
Seymour Heller

Scott Bakula
Bob Black

Rob Lowe
Dr. Jack Startz

Tom Papa
Ray Arnett

Paul Reiser
Mr. Felder

Bruce Ramsay
Carlucci

Nicky Katt
Mr. Y

Cheyenne Jackson
Billy Leatherwood

Mike O'Malley
Tracy Schnelker

David Koechner
Adoption Attorney

Boyd Holbrook
Cary James

Debbie Reynolds
Frances

Eric Zuckerman
Lou

Eddie Jemison
Assistant Director

Randy Lowell
Director

Jane Morris
Rose Carracappa

Garrett M. Brown
Joe Carracappa

Pat Asanti
George Liberace

Casey Kramer
Dora Liberace

James Kulick
Assistant Stage Manager

Paul Witten
Make-up Artist

Deborah Lacey
Gladys

Susan Caroll Todd
Sue

Austin Stowell
Backstage Flirt

Francisco San Martin
Backstage Flirt

Anthony Crivello
Stagehand

Kiff VandenHeuvel
Scott's Half-Brother, Wayne

Nikea Gamby-Turner
Dorothy

Charlotte Crossley
June

Josh Meyers
Liberace's Attorney

Harvey J. Alperin
Joel Strote

Jerry Clarke
Dr. Ronald Daniels

Lisa Frantz
Anchorwoman

Shaun T. Benjamin
Health Department Spokesman

John Philip Kavcak
Priest at Funeral

Kelly Allen
Young American Dancer (uncredited)

Greg Baine
Patron (uncredited)

Brian Blu
Guy Outside Casino (uncredited)

Barbara Brownell
Angie Liberace (uncredited)

Kass Connors
Kazarian (uncredited)

Jacquelyn Dowsett
Showgirl (uncredited)

Timothy Skyler Dunigan
Concert Fan (uncredited)

Fielding Edlow
Deposition Reporter (uncredited)

Corey Eid
French Guy #2 (uncredited)

Krystal Ellsworth
Impossible Dream Dancer (uncredited)

Kelli Erdmann
Young American Dancer (uncredited)

Amber Lee Ettinger
Hair Stylist (uncredited)

Joe Filippone
Adult Bookstore Patron (uncredited)

Brandon Henschel
Dancer (uncredited)

Kara Hess
Young American Dancer (uncredited)

Lenny Jacobson
Stage Manager (uncredited)

Richard Allan Jones
Mourner (uncredited)

Dominique Kelley
Impossible Dream Dancer (uncredited)

David Dustin Kenyon
Cameraman (uncredited)

Kristin Lindquist
Billy (uncredited)

Rachael Markarian
Showgirl (uncredited)

Hugo Pierre Martin
Patron (uncredited)

KC Monnie
Young American Dancer (uncredited)

Max Napolitano
Bar Patron (uncredited)

Gregory Niebel
Tailor (uncredited)

Meredith Ostrowsky
Young American (uncredited)

Brittany Perry-Russell
Liberace Showgirl (uncredited)

Ferly Prado
Dancer (uncredited)

Mike Jerome Putnam
On-Air News Reporter (uncredited)

Thure Riefenstein
Maitre d' (uncredited)

Stephanie Maura Sanchez
Second Anchorwoman (uncredited)

Jimmy Scanlon
News Reporter (uncredited)

Roby Schinasi
French Guy #1 (uncredited)

Nellie Sciutto
Reporter (uncredited)

Franklin J. Sterns
Bookstore Patron (uncredited)

C.J. Stussi
Startz Surgeon (uncredited)

Becca Sweitzer
Showgirl (uncredited)

Trace Taylor
Stagehand (uncredited)

Anna Wendt
Stagehand (uncredited)

Nick Lanzisera
Young American Dancer (uncredited)

Ayesha Orange
Showgirl (uncredited)

Jason Williams
Young American Dancer (uncredited)

Johnny Carson
Self (archive footage) (uncredited)

Peggy King
Self (archive footage) (uncredited)