He is an American actor.
He was born on September 4, 1948 in Los Angeles.
He has a specific appearance due to the presence of a rare hereditary disease - hypohidrotic ectodermal dysplasia. According to the actor himself, he was born with twenty-six congenital defects. This has largely defined his artistic career as predominantly focused on horror and sci-fi films.
During his long acting career, Berryman has portrayed images of a mutant biker, an evil funeral home owner, a monster, a cannibal, a vampire fighter, etc.
He also starred in the "Smokin' in the boys room" video by Mötley Crüe as the school principal.
PRIZES AND AWARDS
1978 - nominated for a Saturn Award for best actor (film "The Hills Have Eyes").
2007 - winner of the EyeGore Award in the "significant contribution to the horror genre" category.