Adrien Brody as Louis Simo

Diane Lane as Toni Mannix

Ben Affleck as George Reeves

Bob Hoskins as Eddie Mannix

Robin Tunney as Leonore Lemmon

Kathleen Robertson as Carol Van Ronkel

Lois Smith as Helen Bessolo

Phillip MacKenzie as Bill Bliss

Larry Cedar as Chester Sinclair

Eric Kaldor as Barbell Man

Caroline Dhavernas as Kit Holliday

Kevin Hare as Robert Condon

Molly Parker as Laurie Simo

Zach Mills as Evan Simo

Neil Crone as Chuck

Gareth Williams as Del

Seamus Dever as Phillip

Vladimir Jon Cubrt as Morgue Attendant

Ted Atherton as Detective Doug Johnson

Diego Fuentes as Natividad Vacio

Dash Mihok as Sergeant Jack Paterson

Veronica Watt as Rita Hayworth

Joan Gregson as Chopard Saleswoman

David Bolt as Judge Eisler

Todd Grinnell as Times Reporter

David J. MacNeil as Officer Daniel Korby

Ayumi Iizuka as Miss Yoshida

Eric Fink as Dominick's Waiter

Jeffrey DeMunn as Art Weissman

Jeff Teravainen as Lester Koenig, Auditioning Actor

Brendan Wall as Harold Chiles, Casting Director

Eric Weinthal as Barney Sarecky, Producer

Steve Adams as Bob Maxwell, Producer

Jack Newman as Izzy Berne, Tailor

Brad William Henke as Russ Taylor

Joseph Adam as Jack Larson / Jimmy Olsen

Lorry Ayers as Phyllis Coates / Lois Lane

Robert B. Kennedy as Tommy Carr, Director

Sven Van de Ven as John Hamilton / Perry White

Gray Powell as Chad

Michael Rhoades as James Engelmann

Tim Campbell as MGM Hunk

Joe Spano as Howard Strickling

Richard Fancy as Alford "Rip" Van Ronkel

Kerin McCue as "Superman" Announcer (voice)

Jeff Cowan as Maxwell Arnow, Casting Director

Peter James Haworth as Fred Zinnemann

Tim Dorsch as Docville Bank Teller

Alexander Cameron Drogemuller as Stunned Boy

Jason Spevack as Kenneth Giles

Dendrie Taylor as Mrs. Sinclair

Jody Jaress as Mannix Maid

Murray Oliver as Funeral Reporter #1

Walter Rinaldi as Funeral Reporter #2

Terry Barna as Buddy Adler

Bill Lake as Cigar Man

Natalie Krill as Camera Girl

Erin Gooderham as Jackie, Leonore's Friend

Cameron Mitchell Jr. as Earl Wilson

Cotton Mather as Dark Figure

Steve Brandes as Thug Detective

Donald Burda as Rick Harris

Charlie Lea as 5-Year-Old Evan

Matt Amar as Man at Police Station (uncredited)

Jordan Barker as Wag (uncredited)

Yaron Betan as Delivery Guy (uncredited)

Patrick Dussault as Man at Audition (uncredited)

Crystal Joy Hall as Mom (uncredited)

Michael Janik as Cop (uncredited)

Austin Macdonald as Boy at Park (uncredited)

Jennifer Sims as Mom (uncredited)