He was usually cast as sergeants or corporals , as well as privates , seaman or airmen , played either straight or comically .
From 1950 to the early 1990s , Maddern appeared in films and TV series , often portraying military types .
Maddern was usually cast as sergeants or corporals , as well as privates , seaman or airmen , played either straight or comically .
From 1950 to the early 1990s , Maddern appeared in films and TV series , often portraying military types .