<Tr> <Th> Nieces </Th> <Td> Steffy Forrester Phoebe Forrester Rosie Forrester (adoptive) Lizzy Forrester </Td> </Tr> <Tr> <Th> First cousins </Th> <Td> Jessica Forrester Ivy Forrester </Td> </Tr> <P> 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 . </P> <P> Actor Clayton Nocross debuted in the role of Thorne in the serial's premiere episode on March 23, 1987 . He remained in the role until 1989, when he was recast with Jeff Trachta . In 1996, Trachta was let go from the role and was recast with former All My Children actor Winsor Harmon . In May 2010, it was announced that Harmon had been downgraded to a recurring capacity, following a "mutual decision" between Harmon and the higher ups at The Bold and the Beautiful . On September 23, 2017, Harmon announced that executive producer Bradley Bell intended to recast the role of Thorne . Two days later, TV Insider's Michael Logan announced that former General Hospital actor Ingo Rademacher had been cast in the role of Thorne; he made his first appearance on November 27, 2017 . On his exit, Harmon stated: "It shocked me, especially since (Executive Producer Brad Bell) had called said,' I want you to come to the fan club event (in August).' I was told there was a storyline coming and then (a month later), I got the call from him that he was going to recast the role . So yeah, it was a bit of a shocker, I have to say ." </P>

Who played the original thorne on bold and the beautiful