British-Canadian actor who played the gruff Kellerun captain Rayner in the final season of Star Trek: Discovery.
Callum Keith Rennie is a British-Canadian actor whose roles include Stanley Kowalski on Due South, the Cylon Leoben Conoy on Battlestar Galactica and Lew Ashby on Californication, along with a Genie Award-winning supporting turn in the film Last Night.
In the fifth and final season of Star Trek: Discovery he played Rayner, a hard-edged Kellerun Starfleet captain who is relieved of his command early in the season and is then recruited by Michael Burnham as her first officer aboard the USS Discovery, where he gradually softens.