Katherine O'Sullivan

1998

• [ ] Curtain Call (Guest at Ball (uncredited)) 

2002

• [ ] I'll Bury You Tomorrow (????) 
• [ ] The Emperor's Club (The Nun) 

2007

• [ ] Shortcut to Happiness (Charlotte Bronte (uncredited)) 
• [ ] The Blood Shed (Leslie) 

2009

• [ ] The Old Man and the Seymour (Olga) 

2014

• [ 8/10 ] Birdman or (The Unexpected Virtue of Ignorance) (Costume Assistant) 

2015

• [ ] Hungry Hearts (Psychic (uncredited)) 

2024

• [ ] Big City (Brida)