Watson has officially cast Once Upon a Time 's Robert Carlyle to recur in Season 2 as Sherlock Holmes, who was presumed dead throughout all of the first season. According to Variety, Sherlock will resurface and force Morris Chestnut's character to face a secret from his own past that's actually hidden in his own body.

Robert Carlyle will play Sherlock Holmes in “ Watson ” Season 2 at CBS, Variety has learned.