"[Gummer] Just one quick drag in a very brief cut-to & cut away scene. No exhale. Unfortunate; Mamie Gummer is just adorable in her 40's era clothes and hair."
Other references to this movie:
Claire Danes - Proof - quit - "I started smoking because I had to smoke for a movie, or that was my excluse", "I gave up about 4 years ago", smoked herbal cigarattes in [Evening (2007)], The Today Show, Jun. '07
, Allposters.com