Crandall
From The Stargate Omnipedia
Associate of Dr. Daniel Jackson who, in an altered reality, worked with the archaeologist while Daniel was teaching ESL as a side-job. He was forced to interrupt Jackson's class when several officers with the United States Air Force arrived to collect him.
It is not known for certain just what Crandall does in our timeline.
DETAILS
PLAYED BY - Neil Schell
FIRST APPEARED - Moebius, Part 1
KEY EPISODE
Moebius, Part 1 - Crandall interrupts Daniel Jackson's class when Air Force officers arrive to cart him away.