When Dr Tesla and the female FBI agent are talking in front of Ilsa the AI computer, Ilsa appears to be reading their lips as they discuss Ilsa. This is very similar to when HAL 9000 from 2001 A Space Odyssey reads Dave Bowman and Frank Pool's lips as they discuss HAL's possible malfunction and the possible need to disable his higher functions.
Stephen Lobo, Benjamin Ratner and Magda Apanowicz are additional actors to travel over from the cast of "Continuum", another show based on time travel. The other two are Ian Tracey and Jennifer Spence.