Frank O'Brien built quite a career for himself as a vibrant source of comedy, starring in many films throughout his Hollywood career. O'Brien began his career with roles in the Audrey Hepburn thrilling adaptation "Wait Until Dark" (1967), "Ryan's Hope" (ABC, 1974-1989) and "Off the Wall" (NBC, 1976-77). He went on to act in "The World's Greatest Lover" (1977), "Border Pals" (ABC, 1980-81) and the comedy "Radio Days" (1987) with Mia Farrow. He also appeared in the Stockard Channing dramatic adaptation "Six Degrees of Separation" (1993). O'Brien's music was most recently featured in the Sacha Baron Cohen blockbuster comedic adaptation "Borat: Cultural Learnings Of America For Make Benefit Glorious Nation of Kazakhstan" (2006).