- Country: USA
- Genres: Biography, Documentary, Short
- Release: 2014-01-18
- Director: Lucy Walker
- Writers: Marianna Palka
- Language: English
- Stars: Marianna Palka , Jason Ritter , Christian Williams
- Runtime: 15 min
- Awards: 2 wins & 3 nominations
- AKA: The Lion's Mouth Opens (United States of America) , The Lion's Mouth Opens
- Plot: A documentary on young actress, Marianna Palka, as she confronts her risk of Huntington's Disease.
- IMDB:tt3402078
The Lion’s Mouth Opens Cast · · · ALL
Lucy Walker
Director
Marianna Palka
Jason Ritter
(I)
Bryce Dallas Howard
Herself
Seth Gabel
Himself
Moet Hashimoto
Carly Ritter
Michael Uppendahl
Christian Williams
Himself