Movie Credits
William Grefe has appeared in 2 movies.
These include Biohazard: The Alien Force and Blood, Guts & Sunshine: The History of Horror Made In Florida.Production Credits
William Grefe has 2 production credits.Directing
Credited for Director in 1 show - The Godmothers.
Production
Credited for Executive Producer in 1 show - Masterblaster.