Frank O'Brien Filmography
- Actor (14 credits)
- The Courier (2007) Frank Barnhart
- Six Degrees of Separation (1993) Eddie
- Radio Days (1987) Fireman
- Border Pals (1981) Sgt. Major Radcliffe
- Carter Country (1977)
- The World's Greatest Lover (1977) Yes Man #4
- Three's Company (1976) Director
- Alice (1976) Man #3
- Arthur Hailey's the Moneychangers (1976) Cal Coogan
- Mary Hartman, Mary Hartman (1976) Montgomery Monk
- The Blue Knight (1975) Deputy DA Reston
- Welcome Back, Kotter (1975) Jerry Cronkite
- Police Woman (1974) Daner
- Wait Until Dark (1967) Shatner
