BSG stars that have been on Stargate.

[Anonmatel]

There are plenty of them.

I'll get the ball rolling and start with.
Alessandro Juliani - Lt Felix Gaeta.
Was in Mobius part 1 and 2. plus he was in 4x09 Scorched Earth.

[Craig Ranapia]

There are plenty of them.

Of course, there's Matthew Bennett.

BSG:
Aaron Doral/Number Five (First appearance: Mini-series. Last: Lay Down Your Burdens, Part 2)

Stargate, SG1:
Jarrod Kane ( Ethon - ep. 915, Icon - ep. 805)
Ted (Point of No Return - ep. 411)

[Oreo]

Helo was a Replicator in season 6.

[shockwave]

Grace Park was in proving ground
Dean Stockwell was Dr. Kieran in Shadow Play

[LoneStar1836]

Grace Park

Satterfield in "Proving Ground"

[Lady Snow]

Chief's played a couple Jaffa...

[Chricton]

Wasn't Simon the Goa'uld/Jaffa leader in "Warrior" (Or some episode named something like that? Season five I'm sure.)

[*E*K*R*]

Wasn't Simon the Goa'uld/Jaffa leader in "Warrior" (Or some episode named something like that? Season five I'm sure.)

oh yeah, lol at all the vancouver people...

well, not all of them..

but mostly.

[Lady Snow]

Wasn't Simon the Goa'uld/Jaffa leader in "Warrior" (Or some episode named something like that? Season five I'm sure.)

Yeah, Imhotep! I remember that!

[DOIKECARTER]

those pegassus GI who wanted to beat the Chief and Helo...one of them was a russian soldier in Stargate season 8.

[The Ori]

Crewman Specialist Socinus = was in the episode bane as a punk leader

A lot of the actors and actresses have been on stargate, smallville and CSI!

Priest Elosha was in the episode the curse as a curator

Sekou Hamilton/Biski Gugushe was in stargate as a few SF's

Seelix/Jen Halley as a Lt Tolinov in 'The Tomb'

Jammer/Dominic Zamprogna as Aries, in Stargate Atlantis in the ep 'Childhood's End'

Lt. Mei 'Freaker' Firelli/P.J. Prinsloo as Anders in Stargate Atlantis in the ep 'No Man's Land'

Hoshi/Brad Dryborough as an Outta Control Driver in the ep 'Sight Unseen'

LSO Capt. Aaron Kelly/Ty Olsen as a jaffa and Col. Barnes in SG-1

Marshall Bagot/Malcolm Stewart as Dollen in 'Cure'

Paramedic Howard Kim/Kurt Evans as Col. Johnson in 'The Fourth Horseman Part 1 and 2'

Brother Cavil/Dean Stcokwell as Doctor Kieren in 'Shadow Play'

Jean Barolay/Alisen Down as Dr. Brightman in 'Zero hour' and 'Lockdown'

Chu/Gemenon Captain/Eric Breker as Colonel Reynolds in numerous eps in SG-1

Cuckles/Terry Chen as Monk in 'Maternal Instinct'

Kimmit/Rahuul Singh as Khordib in 'Fallen'

Dwight 'Flat Top' Sanders/Colby Johannson as Lt. Kagan in Atlantis in the ep 'Phantoms'

Sgt. Hadrian/Jill Teed as Yolanda Reese/Stacy Monroe in '200' and 'Wormhole X-treme'

Chief Peter Laird/Vincent Gale as Deputy/Agent Cross in 'Nightwalkers'

James Ashcroft/Security Off. as Amra Delegate in 'Zero hour'

Sebastian Spence/Whiplash as Delek in 'Death Knell'

Crewman Specialist Gage/Mike Dopud as Colonel Chernovshev in 'Full Alert'

Richard 'Buster' Bayer/Kavan Smith as Major Lorne in Atlantis

Your welcome!!

[Chricton]

Holy hell.... good work.

[James_the_Wraith_Sympathiser]

I'm assuming no one has mentioned Sharon (boomer) guest starring in SG-1s 'Proving Ground' because it's too obvious.

[Descent]

The guy who played Fisk was in a Stargate episode...can't put my finger on which one though.

[Lady Snow]

I'm assuming no one has mentioned Sharon (boomer) guest starring in SG-1s 'Proving Ground' because it's too obvious.

Psst... look up!

And no, I don't see Stargate on Graham Beckel's credits, but I could be missing something. He was, however, in L.A. Confidential. Awesome movie.