Claim: Bradley Cooper was in Wet Hot American Summer.
Evidence: His career began with a guest role in the television series Sex and the City in 1999 and his film debut came two years later in Wet Hot American Summer.
The film features an ensemble cast , including Janeane Garofalo , David Hyde Pierce , Molly Shannon , Paul Rudd , Christopher Meloni , Michael Showalter -LRB- and various other members of MTV 's sketch comedy group The State -RRB- , Elizabeth Banks , Ken Marino , Michael Ian Black , Bradley Cooper , Amy Poehler , Zak Orth , and A. D. Miles.