Michael Berryman

Michael John Berryman is an American character actor. Berryman was born with hypohidrotic ectodermal dysplasia, a rare condition characterized by the absence of sweat glands, hair, and fingernails; his unusual physical appearance has allowed Berryman to make a career out of portraying characters in horror movies and B movies. He came to prominence with his roles in One Flew over the Cuckoo's Nest in 1975 and The Hills Have Eyes in 1977. He has appeared in several movies and television shows, including Star Trek and The X-Files.