Premise: Robert Downey Jr. . Making his acting debut at the age of five , appearing in his father 's film Pound ( 1970 ) , Downey Jr. appeared in roles associated with the Brat Pack , such as the teen sci-fi comedy Weird Science ( 1985 ) and the drama Less Than Zero ( 1987 ) . Downey Jr. 's career prospects improved when he featured in the mystery thriller Zodiac ( 2007 ) , and the satirical action comedy Tropic Thunder ( 2008 ) ; for the latter he was nominated for an Academy Award for Best Supporting Actor . Beginning in 2008 , Downey began portraying the role of Marvel Comics superhero Iron Man in the Marvel Cinematic Universe , appearing in several films as either the lead role , member of an ensemble cast , or in a cameo . Zodiac is a 2007 American mystery-thriller film directed by David Fincher .
Hypothesis: Robert Downey Jr. was in a film.
Label: ENTAILMENT