Thorne Forrester is a fictional character on CBS soap opera The Bold and the Beautiful. The character was played by Clayton Norcross from the show's premiere in 1987 until 1989, by Jeff Trachta from 1989 until 1996 and Winsor Harmon from 1996 to 2016. In September 2017, Harmon announced that the role of Thorne was to be recast, and several days after, it was announced that daytime veteran Ingo Rademacher had been cast in the role; he made his first appearance on November 27, 2017. Rademacher departed the role in February 2019.