Spellman
From The Stargate Omnipedia
Stargate Command engineer dispatched to Revanna with SG-1 to repair Yu's damaged Tel'tak vessel, along with Webber. The cargo ship would then be flown to Earth's solar system in the hopes of using the craft to deposit a powerful weapon on the surface of an asteroid spiraling toward the planet.
After their work was done Carter instructed the two scientists to dial the Alpha Site, where they were expected.
DETAILS
PLAYED BY - David Bloom
FIRST APPEARED - Fail Safe
KEY EPISODE
Fail Safe - Spellman and a team of engineers repair a damaged cargo ship which will be flown to Earth in the hopes of destroying an asteroid.