Brad Wright Creator, Executive Producer Robert C. Cooper Creator, Executive Producer, Writer Joe Flanigan Major, Lt. Colonel John Sheppard Actor Torri Higginson Dr. Elizabeth Weir Actor Rainbow Sun Francks Aiden Ford Actor David Hewlett Dr. Rodney McKay Actor Rachel Luttrell Teyla Emmagan Actor Paul McGillion Dr. Carson Beckett Guest Star Robert Davi Commander Acastus Kolya Guest Star Erin Chambers Sora Guest Star Andre Benjamin Guard Actor Courtenay J. Stevens Keras Guest Star Don S. Davis Major General George Hammond Guest Star Richard Ian Cox Dr. Brendan Gall Guest Star Craig Veroni Dr. Peter Grodin Guest Star Ari Cohen Tyrus Guest Star Matthew Walker Moros Guest Star Terence Kelly Orin Guest Star David Nykl Dr. Radek Zelenka Guest Star Christopher Heyerdahl Halling Guest Star Ryan Robbins Ladon Radim Guest Star Sam Charles Casta Guest Star Martin Gero Writer Joseph Mallozzi Writer, Executive Producer Peter DeLuise Writer, Director Carl Binder Writer Alan Brennert Writer Damian Kindler Writer Martin Wood Director Mario Azzopardi Director Paul Mullie Writer, Executive Producer Brad Turner Director David Warry-Smith Director Holly Dale Director