Ken James (born 16 November 1948) is an Australian actor and celebrity chef. He is most widely known to Australian and international audiences as Sonny's older brother Mark Hammond in the 1960s children's TV show, Skippy. Since his debut in Skippy, James continued to work in the film industry for another 36 years. In December 2009, James was diagnosed with stage three non-Hodgkin lymphoma, which escalated to stage four by 2011. James started chemotherapy, and as of November 2020 the cancer is in recession. James was also actively involved in the Victorian Police Force as an unsworn member from 1993 to 2013.