An American actor. He has appeared in several horror movies and other B movies. Berryman is famous for having a distinctive physical appearance as a result of hypohidrotic ectodermal dysplasia, a rare genetic condition which prevents him from developing hair, sweat glands or fingernails. According to his own statements in an interview for the DVD release of The Hills Have Eyes, he was born with "twenty-six birth defects."
Description above from the Wikipedia article Michael Berryman, licensed under CC-BY-SA, full list of contributors on Wikipedia
Owen Lee Jarvis
Captain Rixx
Rick
Rick (archive footage)
Rupert Van Helsing
The Founder
The Devil
Ellis
Starfleet Display Officer
Mutant Biker
Chromedome
Bus Patron with Oxygen Mask
Self
Quesada
Zombie Head
Sybok Warrior (uncredited)
Clevon
Pluto
Pluto
Angel
Virgil Magnus
Dirtmaster
Forney
Crau
Apartment Manager
Cadaver
Maniac Leader
Valet
William Gluntz
Mental Patient
The Plutonium Killer (voice)
Pilgrim #1
Lisker
Mutant #1
Jed
Caretaker Robert Lockwood
Acme Labs Man
Matthew
Derek
The Host
Larry
Chainsaw
Philip Farmsworth Jr.
Coroner
Fred
Cpl. Catlett
Quecho
Self
F.C.
1st Bandit
Mr. Balzac
Leroy
Jack
Gas Station Attendant
Chives
Obeah
Mortician
Gunnar
Michael Berryman
Mr. Harker
Herman
Detective Pluto
The Seer
Willie
Arthur Delman
Seymour
David Horn
Highway Man #1
Dr. Pepperdine
Gil Wachetta
The Devil
Col. Petrov
Captain
Trevor
Crazy Earl
Teacher
Michael Berryman
Mort
Self
Mike
William
The Tech
Queen
Clayton Sparks
Himself
Self
The Mummy
Self
The Godmichael
Principal
Self
Hobbs
Jeff Bedford
Raymond
The Huntsman
The Ice Cream Man
Otis Greves
Host
The Surgeon
Self - Host
Principal Lucas
Self
T. Hills
Jonah Crane
Dirtmaster (archive footage)