阿拉斯泰尔·卡明，Alastair Cumming is an actor born in Malaya, the son of director Fiona Cumming. Doctor Who was one of his earliest roles, appearing as Tegan's cousin Colin in Arc of Infinity. Further television roles included The Great Paper Chase, Kangaroo Valley, Grange Hill, Casualty, Ruth Ellis: A Life For A Life, and Skins.