Bonnie Bartlett
Bonnie played Linea in the Stargate SG1 episode Prisoners and the hair triggered Patience on Firefly, she has also appeared on Midnight Caller, V, Kojak, Parks and Recreation, V, Little House on the Prairie and North & South Book 2. IMDB
Aidan Drummond
Aidan played the youngster Renord in the Stargate Atlantis episode Trio, he has also appeared on The Collector as Gabriel Slate, The Colt, Last Night in Suburbia and voiced characters on shows such as Edison & Leo and InuYasha The Final Act. IMDB Twitter Behind The Voice
Martin Borycki
Martin was a sound mixer on the Stargate SG1 episode Disclosure. He has also been a boom operator and sound mixer on shows such as Hellcats, Taken, Black Christmas and Trial by Fire. IMDB