Stanley Weber is a French actor best known for playing Juan Borgia in the Borgia series. He is the son of actor Jacques Weber and Christine Weber, he has two brothers, Kim and Tommy Weber. In 2011, he joined the main cast of the French series Borgia where he played John Borgia, the son of Pope Alexander VI (John Doman), until 2013.

In 2013, he joined the cast of the film Not Another Happy Ending where he played Tom Duval. In 2015, it was announced that Stanley would join the second season of the popular series Outlander where he will play the villain of the second season, Le Comte St. Germain, a wine merchant.