Edward James Olmos

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'Admiral / Commander William "Bill" Adama' in Battlestar Galactica

'Professor James Gellar' in Dexter

'Robert Gonzales' in Agents of S.H.I.E.L.D.

'Judge Roberto Mendoza' in The West Wing

'Lieutenant Martin Castillo' in Miami Vice

'Gaff' in Blade Runner

Tony Amendola

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'Edouard Kagome' in Continuum

'Marco / Gepetto' in Once Upon A Time

'Arnold Cardenas' in Dirk Gently's Holistic Detective Agency

'Atalo Diakos' in Dollhouse

'Father / Colonel Smith / Josh' in Fallout 4

'Dr Yousef Salim' in Call of Duty: Black Ops 3

'Santos Jimenez' in Dexter

'Master Bra'Tac' in Stargate SG-1

'Father Quintero' in The Legend of Zorro

'Tambor Barcelo' in Alias

'Dark Priest' in Charmed

'Don Luiz' in The Mask of Zorro

Look how chuffed Isaac is - his face! Tony Amendola was pleased to see us from the minute we walked up to him in our Stargate SG-1 uniforms, and after chatting to my overexcited boy for a bit came out from behind his table for photographs and even asked his assistant to take the photo of the three of us so that I could be in one too. He admired our costumes and was just really nice and friendly. He was a joy to meet and Isaac was happy for weeks afterwards, thinking about it!

Brea Grant

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'Ryan Chambers' in Dexter
'Mya Rockwell' in Halloween 2
'Daphne Millbrook' in Heroes

Worst quick snap photo ever - I was trying to get her and Greg Grunberg in the same shot. It'll do! I was sadly too poor to meet these two, but it was nice to see them together ;)