(written from a Production point of view)
Rekha Sharma is a Canadian actress of Indian descent who portrayed Ellen Landry, as well as Landry's mirror universe counterpart in Star Trek: Discovery. Prior to this, she appeared as Avi Samara in the fan series Star Trek Continues episode "Still Treads the Shadow".
Sharma played Tory Foster in Ronald D. Moore's Battlestar Galactica series. She also played the undercover visitor Agent Salita Malik in eight episodes of the reboot of the science fiction series V between 2009 and 2011.