Robert Downey sr. (gebore 24 Junie 1936 – 7 Julie 2021) was 'n Amerikaanse akteur, regisseur, en skrywer. Hy is bekend vir sy rolle in die rolprente Putney Swope (1969), To Live and Die in L.A. (1985), Boogie Nights (1997), en The Family Man (2000).
- 1964: Babo 73
- 1964: A Touch of Greatness
- 1965: Sweet Smell of Sex
- 1966: Chafed Elbows
- 1968: No More Excuses
- 1969: Putney Swope
- 1970: Pound
- 1972: Greaser's Palace
- 1975: Two Tons of Turquoise to Taos Tonight
- 1980: The Gong Show Movie
- 1980: Up the Academy
- 1985: To Live and Die in L.A.
- 1986: America
- 1988: Rented Lips
- 1990: Too Much Sun
- 1997: Boogie Nights
- 1997: Hugo Pool
- 2000: The Family Man
- 2005: Rittenhouse Square
- 2008: Electile Dysfunction: Inside the Business of American Campaigns
- 2012: Radio Unnameable
- 2016: The Floating Zoo
- 1973: Sticks and Bones
- 1983: Rage
- 2010: Remembering Greasers Palace
