Peter Alexander Haber is a Swedish actor. His father was German, his mother Swedish. He grew up in Skåne, Sweden, and in Remscheid, Germany. In 1987 he was hired by the Stockholm City Theatre where he was active until 1994. At the 29th Guldbagge Awards, he was nominated for the Best Actor award for his role in Sune's Summer.The most famous roles that Haber has played are the father Rudolf in the series Sune, Carl Hamilton in Fiendens fiende (Enemy's Enemy) and Martin Beck from 1997–2021 in the eponymous film series. He is also known for his role in the 2009 film The Girl with the Dragon Tattoo. Haber is in a relationship with actress Lena T. Hansson.