Renée Zellweger
Barbara Novak
Ewan McGregor
Catcher Block
Sarah Paulson
Vikki Hiller
David Hyde Pierce
Peter MacMannus
Rachel Dratch
Gladys
Jack Plotnick
Maurice
Tony Randall
Theodore Banner
John Aylward
E.G.
Matt Ross
J.B.
Michael Ensign
J.R.
Timothy Omundson
R.J.
Jeri Ryan
Gwendolyn
Ivana Miličević
Yvette
Melissa George
Elkie
Dorie Barton
Sally
Laura Kightlinger
Receptionist
Chris Parnell
TV Emcee
Robert Katims
Dry Cleaner
Florence Stanley
Dry Cleaner's Wife
John Storey
Maitre D'
Peter Spruyt
Waiter
Lynn Collins
Beatnik Girl
David Doty
Doorman
Jude Ciccolella
Private Eye
Will Jordan
Ed Sullivan
Brad Hanson
Johnny Trementus
Beth LaMure
CBS Switchboard Operator #1
Christie Cronenweth
CBS Switchboard Operator #2
Megan Denton
Astronette #1
Melanie Lewis
Astronette #2
Sybil Azur
Astronette #3
Joanna Collins
Astronette #4
Sandra McCoy
Astronette #5
Sarah Christine Smith
Astronette #6
Norman Fessler
Photographer
Marc Shaiman
Pianist
Scott Wittman
Bartender
Pat Cusick
Waiter
Rick Scarry
Narrator (voice)
Basil Hoffman
C. W. (uncredited)
James Vincent
Beatnik (uncredited)
Warren Munson
C.B.