Lenny Baker

Larry Lapinsky

Shelley Winters

Faye Lapinsky

Ellen Greene

Sarah Roth

Lois Smith

Anita Cunningham

Christopher Walken

Robert Fulmer

Dori Brenner

Connie

Antonio Fargas

Bernstein Chandler

Lou Jacobi

Herb

Mike Kellin

Ben Lapinsky

Michael Egan

Acting Teacher

John C. Becher

Casting Director

Jeff Goldblum

Clyde Baxter

Joe Spinell

Cop

Denise Galik

Ellen

Rochelle Oliver

Doctor Marsha

Sol Frieder

Mr. Elkins

Helen Hanft

Herb's Wife

John Ford Noonan

Barney

Milton Frome

Drugstore Customer (uncredited)

Paul Mazursky

Casting Director (uncredited)

Bill Murray

Nick Kessel (uncredited)

Vincent Schiavelli

Party Guest (uncredited)

Rutanya Alda

Party Guest (uncredited)

Stuart Pankin

Party Guest (uncredited)

Annie Gagen

Acting Student (uncredited)

Frankie Verroca

Acting Student (uncredited)

Billie Perkins

Hippie Girl (uncredited)

Filomena Spagnuolo

Old Lady on Street (uncredited)