Colonel Frank Simmons is a fictional character portrayed by John de Lancie in the TV series Stargate SG-1.
In the first episode they appeared in, titled Ascension (season 5), they were 53 years old.
They appear in 5 episodes out of a total of 213 aired
Episodes5
Ascension
episode S5.E3 july 2001After being rendered unconscious during an expedition, Carter's subsequently-ordered furlough is interrupted by a mysterious being with a message and growing affection for her.The Fifth Man
episode S5.E4 july 2001When SG-1 flees from an expedition with Col. O'Neill and some mysterious team member named Tyler, whom no one else knows about, stranded, the fitness of the team is questioned.Desperate Measures
episode S5.E11 september 2001Carter gets kidnapped and taken to an abandoned hospital where two doctors work to study the remains of Jolinar. She finds out that they have a Goa'uld, taken from the Russians, which they are planning to put inside a man named Adrian Conrad to heal his sickness. They need Carter to tell them how to get the Goa'uld out after he's healed. O'Neill believes the government is involved with Carter's disappearance and contacts Maybourne. Together, with Daniel and Teal'c, they find Carter but also find out that the Goa'uld has escaped inside Conrad's body.48 Hours
episode S5.E14 march 2002When Teal'c is trapped in the Stargate buffer, the team must juggle the technical challenges along with personal, interdepartmental and diplomatic rivalries to rescue him in time.Prometheus
episode S6.E11 august 2002A television news crew has unearthed information about an Air Force project called "Prometheus". They believe it to be a generator, but know it uses Trinium, an element not found on Earth. In order to keep them quiet the Air Force allows them to film the X-303, a spaceship based on Asgard technologies, otherwise known as Prometheus. Things turn south when the news crew arm themselves and hold the Prometheus, as well as Sam and Jonas, hostage.
- Ascension
- The Fifth Man
- Desperate Measures
- 48 Hours
- Prometheus