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)