Liam Sullivan Filmography
- Actor (53 credits)
- George Wallace (1997) Reporter
- In the Arms of a Killer (1992) Austin Buchanan
- Jury Duty: The Comedy (1989)
- Christine Cromwell (1989)
- Wisdom (1987) Jake Perry
- Nutcracker: Money, Madness & Murder (1987)
- Free Ride (1986) Mr. Monroe
- Dreams of Gold: The Mel Fisher Story (1986) Rupert Carmody
- North and South, Book II (1986) General
- Misfits of Science (1985) Chairman
- Half Nelson (1985)
- Wildside (1985) Mr. Vicks
- The Colbys (1985) Mr. Rollings
- A Death in California (1985) Ned Nelson
- Ernie Kovacs: Between the Laughter (1984) George Abbott
- The Cowboy and the Ballerina (1984) Victor Rostov
- 1st & Ten (1984) Doctor
- Jessie (1984) Mr Paige
- What Waits Below (1984) Lemurian Elder
- Computercide (1981) Emery Korter & Clone
- Code Red (1981)
- Isabel's Choice (1981) Johnny Parker
- The Five of Me (1981) Prosecutor
- The Best Place to Be (1979) Sean Callahan
- Logan's Run (1977) Frederick Lyman
- NBC Special Treat (1975) General Guedj
- The Lives of Benjamin Franklin (1974)
- Maude (1972) Jeremy Hubbard
- Particular Men (1972)
- Bracken's World (1969) Charles Iverson
- Dragnet 1967 (1967) William Bentley
- Family Affair (1966) Richard Mason
- Honey West (1965) Ins. Co. President Canby
- Lost in Space (1965) Nexus
- That Darn Cat! (1965) Graham
- Voyage to the Bottom of the Sea (1964) Dr. Anthony Sterling
- One Man's Way (1964) Dr. Arthur Gordon
- The Magic Sword (1962) Sir Branton
- The Law and Mr. Jones (1960) Fred Rice
- The Twilight Zone (1959) Headmaster
- Behind Closed Doors (1958) Robertson
- The Old Testament Scriptures (1958) Saul
- Flight (1958) Capt. Scott Williams
- Shirley Temple's Storybook (1958) Crown Prince
- The New Adventures of Charlie Chan (1957) Andre Patton
- The Silent Service (1957) Exec. Officer Fred Tucker
- The Gale Storm Show: Oh! Susanna (1956) Mr. Henderson
- Crossroads (1955) Sam Booth
- The Millionaire (1955) Allan Malcolm
- The Secret Storm (1954) Alan Dunbar #2 (1971)
- The Pepsi-Cola Playhouse (1953)
- My Little Margie (1952) Alan Cotton
- Lights Out (1946)