Was born in Ystrad Mynach, Hengoed, Wales, and moved to the U.S. at a young age, growing up in North Carolina, Georgia, and Tennessee.
Graduated from Duke University.
Garnered his role as coroner's assistant Gary Scott in Rob Zombie's Halloween II based on a personal recommendation to Zombie from Sid Haig. Has since appeared in several more Zombie films.
Attended Western Reserve Academy (Class of 1983) in Hudson, Ohio.
His family emigrated to Atlanta, Georgia from South Wales in 1967.
[on the Night's King's (his Game of Thrones (2011) character) design] It's actually molded off of my face - way back a few years ago we did a cast of me, and they basically created prosthetics to go onto my face, my arms as well and pretty much down to my chest. It seems like you just pop a mask on, but it's incredibly much more detailed.