Peter Halsten Thorkelson, better known by his stage name Peter Tork, was an American musician and actor. He was best known as the bass guitarist and keyboardist of the Monkees and co-star of the NBC television series of the same name (1966–68).

The Monkees were an American pop rock band formed in Los Angeles in the mid-1960s. The band consisted of Micky Dolenz, Davy Jones, Michael Nesmith, and Peter Tork. Spurred by the success of the television show of the same name, the Monkees were one of the most successful bands of the late 1960s. With international hits, four chart-topping albums and three chart-topping songs, they sold more than 75 million records worldwide.