The Lion's Mouth Opens (2014)
A documentary on filmmaker Marianna Palka, as she confronts her risk of Huntington's Disease.
- Country : United States of America
- Genre : Documentary
- Studio : Tree Tree Tree Productions, HBO Documentary Films
- Director : Lucy Walker
- Cast : Marianna Palka, Jason Ritter, Bryce Dallas Howard, Seth Gabel, Moet Hashimoto, Carly Ritter