Robert P. Lieb Filmography
- Actor (55 credits)
- Mystery Men (1999) Old Man
- Dangerous Heart (1994) Uncle Ed
- ALF (1986) Uncle Rocky
- Portrait of a Showgirl (1982) Landlord
- Crash (1978)
- Starhops (1978) Sam
- Collision Course: Truman vs. MacArthur (1976) Inchon General
- The Million Dollar Rip-Off (1976) Brown
- S.W.A.T. (1975) Mayor
- The Missiles of October (1974) Gen. Curtis LeMay, Air Force Chief of Staff
- The Parallax View (1974) Senator Gillingham
- Hawkins (1973) Dr. Green
- Ghost Story (1972) The Drunk
- Alias Smith and Jones (1971) Auctioneer
- How to Frame a Figg (1971) Commissioner Hayes
- Myra Breckinridge (1970) Charlie Flager Sr.
- The Intruders (1970)
- Angel in My Pocket (1969) Cyrus Sinclair
- The Love God? (1969) Rayfield
- Bracken's World (1969) Mr. Seward
- The Young Lawyers (1969) Chairman
- Stay Away, Joe (1968) Announcer at Rodeo, not listed in credits
- Yours, Mine and Ours (1968) Happy San Franciscan
- Clambake (1967) Mr. Barasch, not listed in credits
- The Graduate (1967) Mr. Loomis - Party Guest, not listed in credits
- The Fortune Cookie (1966) Specialist #2
- The Road West (1966) Nat
- F Troop (1965) Assistant
- My Living Doll (1964) Doctor Rochlin
- Slattery's People (1964) Fisher
- The Bing Crosby Show (1964) Professor Kortner
- Ready for the People (1964) Judge
- The Brass Bottle (1964) Lawyer Jennings
- Wendy and Me (1964) Fred
- Arrest and Trial (1963) Father
- My Favorite Martian (1963) Lieut. Gibson
- Room for One More (1962) Bill
- The Alfred Hitchcock Hour (1962) Baines
- It's a Man's World (1962) Mr. Meredith
- Hazel (1961) Harry Thompson
- Underworld U.S.A. (1961) Officer
- Elmer Gantry (1960) Lincoln Police Captain, not listed in credits
- Portrait in Black (1960)
- The Deputy (1959) Baker - Swindled Man #1
- That Kind of Woman (1959) Pitchman, not listed in credits
- Mike Hammer (1958) Otis Stock
- The Californians (1957) Albert Bender
- Suspicion (1957)
- Somebody Up There Likes Me (1956) District Attorney Hogan
- The Phil Silvers Show (1955) Capt. Haybert
- Big Town (1950)
- Pulitzer Prize Playhouse (1950)
- Danger (1950)
- Lights Out (1946)
- Mr. and Mrs. North (1946)
