Sergeant Duncan "Buck" Frobisher is a fictional character in the television series Due South. Portrayed by Leslie Nielsen, he appears in the episodes "Manhunt", "All The Queens's Horses", "Call Of The Wild Pt. 1" and "Pt. 2".Frobisher is approximately 6' tall with grey hair and is in his late 50s or early 60s, and in season 3, in "Burning Down the House", Benton Fraser describes him as bearing an uncanny resemblance to "a certain famous Canadian comedian".