Louis J. Horvitz
Chris Rock
饰:Himself - Host
Alan Alda
饰:Himself - Nominee: Best Supporting Actor
Alejandro Amenábar
饰:Himself - Winner: Best Foreign Language Film
Andrea Arnold
饰:Herself - Winner: Best Live Action Short
Antonio Banderas
饰:Himself - Performer: `Al Otro Lado Del Río`
Drew Blyth Barrymore
饰:Herself - Presenter: Song Nominee `Look To Your Path
Annette Bening
饰:Herself - Nominee: Best Actress in a Leading Role,Presenter: Mem
Elmer Bernstein
饰:Memorial Tribute
Halle Berry
饰:Herself - Presenter: Best Art Direction
Phillip Bradley Bird
饰:Himself - Winner: Best Animated Feature winner,Co-presenter: Bes
Cate Blanchett
饰:Herself - Winner: Best Supporting Actress,Presenter: Best Makeup
Orlando Bloom
饰:Himself
Marlon Brando
饰:Memorial Tribute
Pierce Brosnan
饰:Himself - Presenter: Best Costume Design
Gisele Bündchen
饰:Herself
Don Cheadle
饰:Himself - Nominee: Best Actor in a Leading Role
Thomas Haden Church
饰:Himself - Nominee: Best Supporting Actor
Penélope Cruz
饰:Herself - Co-presenter: Best Sound, Best Sound Editing
Ossie Davis
饰:Memorial Tribute
Johnny Depp
饰:Himself - Nominee: Best Actor in a Leading Role
Leonardo DiCaprio
饰:Himself - Nominee: Best Actor in a Leading Role,Presenter: Best
Kirsten Dunst
饰:Herself - Co-presenter: Best Film Editing
Clint Eastwood
饰:Himself - Winner: Best Picture, Best Director,Nominee: Best Acto
Jamie Foxx
饰:Himself - Winner: Best Actor in a Leading Role,Nominee: Best Sup
Morgan Freeman
饰:Himself - Winner: Best Supporting Actor
Whoopi Goldberg
饰:Herself, commenting on Johnny Carson
Michel Gondry
饰:Himself - Winner: Best Original Screenplay
Jake Gyllenhaal
饰:Himself - Co-presenter: Best Visual Effects
Taylor Hackford
饰:Himself
Salma Hayek
饰:Herself - Presenter: Song Nominee: `Al Otro Lado Del Río`,Co-pre
Dustin Hoffman
饰:Himself - Co-presenter: Best Picture
Jeremy Irons
饰:Himself - Presenter: Best Live Action Short
Samuel L. Jackson
饰:Himself - Presenter: Best Original Screenplay
Scarlett Johansson
饰:Herself - Host: Scientific and Technical Awards Banquet
Charlie Kaufman
饰:Himself - Winner: Best Original Screenplay
Beyoncé Giselle Knowles
饰:Herself - Performer: `Believe`, `Look To Your Path [Vois Sur Ton
Janet Leigh
饰:Memorial Tribute
Mike Leigh
饰:Himself
Laura Linney
饰:Herself - Nominee: Best Supporting Actress,Presenter: Best Anima
Sidney Lumet
饰:Himself - Honorary Award recipient
Virginia Madsen
饰:Herself - Nominee: Best Supporting Actress
Catalina Sandino Moreno
饰:Herself - Nominee: Best Actress in a Leading Role
Mike Myers
饰:Himself - Presenter: Song Nominee `Accidentally in Love`
Thomas Newman
饰:Himself
Sophie Okonedo
饰:Herself - Nominee: Best Supporting Actress
Clive Owen
饰:Himself - Nominee: Best Supporting Actor
Al Pacino
饰:Himself - Presenter: Honorary Oscar to Sidney Lumet
Gwyneth Paltrow
饰:Herself - Presenter: Best Foreign Language Film
Alexander Payne
饰:Himself - Winner: Best Adapted Screenplay
Sean Penn
饰:Himself - Presenter: Best Actress in a Leading Role
Frank Pierson
饰:Himself - Academy President
Natalie Portman
饰:Herself - Nominee: Best Supporting Actress,Presenter: Best Docum
Christopher Reeve
饰:Memorial Tribute
Robert Richardson
饰:Himself - Winner: Best Cinematography
Tim Robbins
饰:Himself - Presenter: Best Supporting Actress
Julia Roberts
饰:Herself - Presenter: Best Director
Emmy Rossum
饰:Herself - Presenter: Song Nominee `Learn to Be Lonely`
Adam Sandler
饰:Himself - Presenter: Best Adapted Screenplay
Martin Scorsese
饰:Himself - Presenter: Hersholt Award to Roger Mayer
Imelda Stauton
饰:Herself - Nominee: Best Actress in a Leading Role
Barbra Streisand
饰:Herself - Co-presenter: Best Picture
Hilary Swank
饰:Herself - Winner: Best Actress in a Leading Role
Charlize Theron
饰:Herself - Presenter: Best Actor in a Leading Role
John Travolta
饰:Himself - Presenter: Best Original Score
Peter Ustinov
饰:Memorial Tribute
John Williams
饰:Himself
Robin McLaurim Williams
饰:Himself - Presenter: Best Animated Feature Film
Kate Winslet
饰:Herself - Nominee: Best Actress in a Leading Role,Presenter: Bes
Fay Wray
饰:Memorial Tribute
Renée Zellweger
饰:Herself - Presenter: Best Supporting Actor
Ziyi Zhang
饰:Herself - Co-presenter: Best Visual Effects
Albert Brooks
饰:Movie theater interviewee
Vin Diesel
饰:Himself
Martin Lawrence
饰:Himself, giving fake acceptance speech
Andrew Lloyd Webber
饰:Himself - Pianist: `Learn To Be Lonely`
River Phoenix
饰:Himself
Sharon Stone
饰:Herself
Jo Allen
饰:Herself-Nominee
Bob Beemer
饰:Himself - Winner: Best Sound
饰:Himself
Pierre Bismuth
饰:Himself - Winner: Best Original Screenplay
Zana Briski
饰:Herself - Winner: Best Documentary Feature
Philippe de Broca
饰:Himself
Horst Burbulla
饰:Himself - Technical Award winner
Steve Cantamessa
饰:Himself - Winner: Best Sound
Johnny Carson
饰:Himself
Sean 'P. Diddy' Combs
饰:Himself - Presenter: Song `Believe`
Bill Conti
饰:Himself - Conductor
Bill Corso
饰:Himself - Winner: Best Makeup
Counting Crows
饰:Themselves - Performers: `Accidentally In Love`
Shane Bitney Crone
饰:Red Carpet
Rodney Dangerfield
饰:Memorial Tribute
John Debney
饰:Himself
Ed Di Giulio
饰:Himself
Jorge Drexler
饰:Himself - Winner: Best Original Song
John Dykstra
饰:Himself - Winner: Best Visual Effects
Carole Eastman
饰:Herself
Dante Ferretti
饰:Himself - Winner: Best Art Direction
John Frazier
饰:Himself - Winner: Best Visual Effects
Manolo García
饰:Himself-Nominee
Phil Gersh
饰:Himself
Nelson Gidding
饰:Memorial Tribute
Jerry Goldsmith
饰:Memorial Tribute
Josh Groban
饰:Himself - Performer: `Believe`
Robert Houston
饰:Himself - Winner: Best Documentary Short
James Newton Howard
饰:Himself
Robert Hudson
饰:Himself - Winner: Best Documentary Short
Jan A.P. Kaczmarek
饰:Himself - Winner: Best Original Score
Ross Kauffman
饰:Himself - Winner: Best Documentary Feature
HarryCliffordKeel
饰:Memorial Tribute
Chris Landreth
饰:Himself - Winner: Best Animated Short
Jean-Marie Lavalou
饰:Himself - Technical Award winner
Francesca Lo Schiavo
饰:Herself - Winner: Best Art Direction
Alain Masseron
饰:Himself - Technical Award winner
Roger Mayer
饰:Himself - Hersholt Award recipient
Virginia Mayo
饰:Memorial Tribute
Yo-Yo Ma
饰:Himself - Performer
Mercedes McCambridge
饰:Memorial Tribute
Russ Meyer
饰:Memorial Tribute
Scott Millan
饰:Himself - Winner: Best Sound
Tak Miyagishima
饰:Himself - Sawyer Award recipient
Jerry Orbach
饰:Memorial Tribute
Valli O'Reilly
饰:Herself - Winner: Best Makeup
Greg Orloff
饰:Himself - Winner: Best Sound
Daniel Petrie
饰:Memorial Tribute
Sandy Powell
饰:Herself - Winner: Best Costume Design
Prince Rogers Nelson
饰:Himself - Presenter: Best Original Song
David Raksin
饰:Himself
Ronald Wilson Reagan
饰:Memorial Tribute
Tom Rosenberg
饰:Himself - Winner: Best Picture
Albert S. Ruddy
饰:Himself - Winner: Best Picture
William Sackheim
饰:Himself
David Samuelson
饰:Himself - Technical Award winner
Carlos Santana
饰:Himself - Performer: `Al Otro Lado Del Río`
Thelma Schoonmaker
饰:Herself - Winner: Best Film Editing
Michael Silvers
饰:Himself - Winner: Best Sound Editing
Carrie Snodgress
饰:Memorial Tribute
Scott Stokdyk
饰:Himself - Winner: Best Visual Effects
Jim Taylor
饰:Himself - Winner: Best Adapted Screenplay
饰:Memorial Tribute
Randy Thomas
饰:Announcer
Robert E. Thompson
饰:Himself
Randy Thom
饰:Himself - Winner: Best Sound Editing
Paul Winfield
饰:Memorial Tribute
Ralph E. Winters
饰:Himself
Sandra Oh
饰:Herself
Michael Weaver
饰:Red Carpet
Javier Bardem
饰:Ramón Sampedro
Belén Rueda
饰:Julia
Amy Brenneman
饰:Herself - Audience Member
Bruno Delbonnel
饰:Himself - Nominee
Caleb Deschanel
饰:Himself - Nominee
Faye Dunaway
饰:Herself - Audience Member
Donna Feldman
饰:Herself - Trophy Model
Star Jones
饰:Herself - Red Carpet Reporter
John Mathieson
饰:Himself - Nominee
饰:Herself - Audience Member
Nacho Vigalondo
饰:Himself
Xiaoding Zhao
饰:Himself - Nominee
饰:Herself - Audience Member
Dina Eastwood
饰:Herself - Audience Member
Sarah-Jane Fenton
饰:Herself - Audience Member
饰:Herself - Trophy Model
Louis Gossett Jr.
饰:Himself - Audience Member
Anthony LaMolinara
饰:Himself - Winner
Michael Mann
饰:Himself - Nominee
Kim Porter
饰:Herself - Audience Member
Mickey Rooney
饰:Himself - Audience Member
Charlotte Ross
饰:Herself - Audience Member
Eddie Schmidt
饰:Himself - Nominee
Oprah Winfrey
饰:Herself - Audience Member
Hal Kanter
Chris Rock
Lance Crouther
Richard Jeni
Carol Leifer
Ali LeRoi
Chuck Martin
Jeff Stilson
Mario Joyner
June Beallor
Gilbert Cates
Michael B. Seligman
Jeff Stilson
June Beallor
Jon Bloom
Ryan Polito
Chuck Workman
Bill Conti
Erik Lundmark
Thomas Vicari
Richard A. Preuss
Jim Tanker
Roy Christopher
Dave Eastwood
Joe Celli
June Beallor
Erik Lundmark
Rich Bokides
Thomas Vicari
Anthony Gonzales