Lenny Baker (Larry Lapinsky)
Shelley Winters (Mrs. Lapinsky)
Ellen Greene (Sarah)
Lois Smith (Anita)
Christopher Walken (Robert)
Vincent Schiavelli (Actor/Actress)
Ray Gill (Actor/Actress)
Milton Frome (Customer in Drug Store)
Michael Egan (Herbert)
Denise Galik (Ellen)
John C. Becher (Sid Weinberg the producer)
John Ford Noonan (Barney)
Helen Hanft (Herb's Wife)
Rashel Novikoff (Mrs. Tupperman, neighbor)
Joe Madden (Jake the Poet)
Joe Spinell (Cop)
Rochelle Oliver (Abortionist)
Gui Adrisano (Marco)
Carole Manferdini (Southern Girl)
Jeff Goldblum (Clyde Baxter, the actor)
Rutanya Alda (Party Guest)
Dori Brenner (Connie)
Antonio Fargas (Bernstein)
Lou Jacobi (Herb)
Mike Kellin (Mr. Lapinsky)