Born in Pittsburgh, PA. Entered American television in 1982 in an episode of "Joanie Loves Chachi." Acts extensively in series TV to the present day. Feature film acting credits include THE JOURNEY OF NATTY GANN and THE BOYS NEXT DOOR (both 1985), LEGAL EAGLES (1986), DANGEROUS CURVES, SUNSET and LICENSE TO DRIVE (all 1988), CATCH ME IF YOU CAN (1989), VITAL SIGNS (1990), TRUE LIES and THE BIRDCAGE (both 1996), DANTE'S PEAK (1997), WAITING FOR WOODY and ENEMY OF THE STATE (both 1998), CLUBLAND (1999), IT'S A SHAME ABOUT RAY (2000), BUG and THE SCORPION KING (both 2002), NOBODY'S PERFECT (2004) and GOOD NIGHT, AND GOOD LUCK and THE BIG EMPTY (both 2005). Heslov began working as a producer with 2003's INTOLERABLE CRUELTY, which starred George Clooney. He collaborated with Clooney on GOOD NIGHT, AND GOOD LUCK (2005) and LEATHERHEADS (2008). Upcoming projects include PLAYGROUND (2008) and SUBURBICON and WHITE JAZZ (both scheduled for release in 2009).  Nominated for Best Picture of the Year 2005: GOOD NIGHT, AND GOOD LUCK - producer  Nominated for Achievement in Writing (Original Screenplay) 2005: GOOD NIGHT, AND GOOD LUCK (w. George Clooney) 2 nominations