Renée Zellweger as Barbara Novak

Ewan McGregor as Catcher Block

Sarah Paulson as Vikki Hiller

David Hyde Pierce as Peter MacMannus

Rachel Dratch as Gladys

Jack Plotnick as Maurice

Tony Randall as Theodore Banner

John Aylward as E.G.

Matt Ross as J.B.

Michael Ensign as J.R.

Timothy Omundson as R.J.

Jeri Ryan as Gwendolyn

Ivana Miličević as Yvette

Melissa George as Elkie

Dorie Barton as Sally

Laura Kightlinger as Receptionist

Chris Parnell as TV Emcee

Robert Katims as Dry Cleaner

Florence Stanley as Dry Cleaner's Wife

John Storey as Maitre D'

Peter Spruyt as Waiter

Lynn Collins as Beatnik Girl

David Doty as Doorman

Jude Ciccolella as Private Eye

Will Jordan as Ed Sullivan

Brad Hanson as Johnny Trementus

Beth LaMure as CBS Switchboard Operator #1

Christie Cronenweth as CBS Switchboard Operator #2

Megan Denton as Astronette #1

Melanie Lewis as Astronette #2

Sybil Azur as Astronette #3

Joanna Collins as Astronette #4

Sandra McCoy as Astronette #5

Sarah Christine Smith as Astronette #6

Norman Fessler as Photographer

Marc Shaiman as Pianist

Scott Wittman as Bartender

Pat Cusick as Waiter

Rick Scarry as Narrator (voice)

Basil Hoffman as C. W. (uncredited)

James Vincent as Beatnik (uncredited)

Warren Munson as C.B.