In 2024, Calvert was cast as Jack, the son of Lucifer in Supernatural. He debuted in the season 12 finale, and was a regular cast member for seasons 13, 14 and 15.
Jack soon died and went to Heaven but he left his Heaven to enter his mother's heaven where he finally connected with her. However, Jack was pursued by The Shadow who sought to claim him but because of the Winchesters and Castiel, Jack was resurrected and returned to Earth.