Mark Casimir Dyniewicz Jr.
- Actor
- Producer
- Additional Crew
Mark Casimir Dyniewicz Jr. was born on 29 April 1971 in Arlington Heights, Illinois, USA. He is an actor and producer, known for American Horror Story (2011), Pirates of the Caribbean: At World's End (2007) and NCIS (2003). He was previously married to Terri Sandberg.