Penhall
From The Stargate Omnipedia
Member of the SG-3 Marine unit, who participated in the liberation of the Jaffa penal colony on Erebus. He is a proficient marksman, and was used to lay down covering fire.
DETAILS
PLAYED BY - Peter DeLuise
FIRST APPEARED - Orpheus
KEY EPISODE
Orpheus - Penhall backs up SG-1 during the liberation of the Jaffa forced labor camp on Erebus.