Ian Buchanan is a Scottish soap-opera actor who portrayed Dick Tremayne on Twin Peaks.
His first major television role was in 1986, playing the role of Duke Lavery on the soap General Hospital. In 1997, he won an Emmy for Outstanding Supporting Actor in a Drama Series for his work on The Bold and the Beautiful. He has also had starring roles on Port Charles, All My Children,and Days of Our Lives, and has guest starred on Columbo, Quantum Leap, and The Flash.
Following Twin Peaks, Buchanan starred as Lester Guy in Mark Frost and David Lynch's short-lived television series, On the Air.