Deon Stewardson was a British-South African actor best known for his role as Anders "Dup" Du Plessis in the ITV Drama series Wild at Heart. The seven series were popular in the United Kingdom with television viewing figures between 7.5 million and 10 million. The last series was filmed in 2011 with a Christmas Special. He worked alongside many well known actors including Hayley Mills. Stewardson and his partner Marianne would live in the Hartbeespoort Dam area of South Africa during the six months of filming. He had a passion for wildlife and his character known as "Dup" worked perfectly for him. As well as this role, he taken a number of minor roles in many different genres, including The Foster Gang. Stewardson has also starred in films, most notably Lethal Woman.