Joseph Cross
Augusten Burroughs

Annette Bening
Deirdre Burroughs

Brian Cox
Dr. Finch

Gwyneth Paltrow
Hope Finch

Joseph Fiennes
Neil Bookman

Evan Rachel Wood
Natalie Finch

Alec Baldwin
Norman Burroughs

Jill Clayburgh
Agnes Finch

Gabrielle Union
Dorothy

Patrick Wilson
Michael Shephard

Kristin Chenoweth
Fern Stewart

Dagmara Dominczyk
Suzanne

Colleen Camp
Joan

Jack Kaeding
Six-Year-Old Augusten Burroughs

Gabriel Guedj
Poo

Nancy Cassaro
Christy - 1978 Poetry Club

Omid Abtahi
Restaurant Manager

Julie Remala
Restaurant Waitress

Will Carter
Officer Button

Bonnie Weis
Cocktail Waitress

Dakotah Masset
Waitress

Marianne Muellerleile
Nurse

Anthony Aria
Audience Member (uncredited)

Augusten Burroughs
Self (uncredited)

Lindsay Canton
Co-Ed (uncredited)

Leslie Grossman
Sue (uncredited)

Joshua Levine
Chris (uncredited)

Margaret Newborn
Audience Member (uncredited)

Devanny Pinn
Poetry Club Member (uncredited)

Amy Rider
Sugar (uncredited)

Gary Sievers
Jewish Rabbi (uncredited)

Joseph Sims
Audience Member (uncredited)

Scott Slifer
Audience Member (uncredited)

Cole Volmer
College Student (uncredited)

Pilar Walsh
Professor's Wife (uncredited)