Robert C. Bushnell (1926 – January 31, 2016) was an American bass player and guitarist who has appeared on dozens of albums and singles as a studio musician, including Bobby Lewis's hit "Tossin' and Turnin'" (1961), "My Boyfriend's Back" by The Angels (1963), "Under the Boardwalk" by The Drifters (1964) and the remixed hit version of Simon and Garfunkel's "The Sound of Silence" (1965).