Rekha Sharma

Actor (Commander Landry) — Discovery

Canadian actor, known as Tory Foster in Battlestar Galactica, who played Commander Ellen Landry, the hard-edged security chief of the USS Discovery, in the show's first season.

Rekha Sharma is a Canadian actor, born in 1981, familiar to science fiction viewers as Tory Foster in Battlestar Galactica and from recurring parts in The 100, V and Yellowjackets.
In the first season of Star Trek: Discovery she plays Commander Ellen Landry, chief of security under Captain Lorca. Introduced in Context Is for Kings, Landry is blunt and aggressive, and in The Butcher's Knife Cares Not for the Lamb's Cry she is killed when she rashly releases the captured tardigrade in order to cut off its claws.
Sharma came back to play Landry's Mirror Universe counterpart, one of Lorca's rebels, in What's Past Is Prologue, and again in the third season's two-part Terra Firma.