Trivia

Was born with "Hypohidrotic Ectodermal Dysplasia", which prevents the formation of hair, fingernails, teeth and sweat glands. The condition is rare, inherited and incurable. Despite his lack of sweat glands, he worked on The Hills Have Eyes (1977) in the desert for five months in heat of 100 degrees and more.

Worked as a florist before entering the acting profession.

Had a supporting role in The Crow (1994) as "The Skull Cowboy", a character who serves as Eric Draven's guide to the land of the living. All his scenes were cut from the original theatrical release.

Appeared in Motley Crue's "Smokin' In the Boy's Room" video.

Father Sloan Berryman was a neurosurgeon.

Went to school with Paris Hilton's father, Richard Hilton.

Was discovered by George Pal.

As of January 2005 was living in Clearlake, CA.

His father was of English, Cornish, Scotch-Irish/Northern Irish and German ancestry, and his mother was of one half Swedish and one half German and Bohemian Czech descent.

Related to actor/producer/director Ruggero Tarvis (a.k.a. Kurt Tarvis).

Played the first ever Bolian in Star Trek. Star Trek TNG episode 'Conspiracy'.

In October 2013 he appeared as a special guest at the Monterrey (Mexico) HorrorFest.

Michael attributes his birth defects to his father's radiation exposure while taking photos at Hiroshima approximately within a month after its destruction.

Appeared at the 2001 Horrorfind convention in Baltimore, MD.

Appeared at the 2002 Horrorfind convention in Baltimore, MD.

Graduated the same high school as Michael Klesic.