Home People Don Knight Don Knight movies Don Knight movies Don Knight Movies (12) The Canterville Ghost (1985) As Mr. Smythe. He was 51 years old Swamp Thing (1982) As Ritter. He was 49 years old Code Name: Diamond Head (1977) As H.K. Muldoon. He was 44 years old Treasure of Matecumbe (1976) As Skaggs. He was 43 years old The Apple Dumpling Gang (1975) As John Wintle. He was 42 years old Death in Space (1974) As Dr. King. He was 41 years old Trader Horn (1973) As Colonel Sinclair. He was 40 years old Hitched (1971) As Reece. He was 38 years old The Hawaiians (1970) As Milton Overpeck. He was 37 years old Too Late the Hero (1970) As Pvt. Connolly. He was 37 years old Kill a Dragon (1967) As Ian. He was 34 years old Étude in Black (1972) As Mike Alexander. He was 39 years old
