George Clooney and Grant Heslov in The Men Who Stare at Goats (2009)

George Clooney, Ewan McGregor, and Grant Heslov in The Men Who Stare at Goats (2009)

Kelly Hu and Grant Heslov in The Scorpion King (2002)

Kelly Hu, Grant Heslov, and Dwayne Johnson in The Scorpion King (2002)

Grant Heslov, Bernard Hill, and Sherri Howard in The Scorpion King (2002)

Grant Heslov, Dwayne Johnson, and Chuck Russell in The Scorpion King (2002)

George Clooney and Grant Heslov in The Monuments Men (2014)

George Clooney, Ben Stiller, and Grant Heslov

George Clooney, Julianne Moore, Matt Damon, Karimah Westbrook, and Grant Heslov at an event for Suburbicon (2017)

George Clooney and Grant Heslov at an event for Our Brand Is Crisis (2015)

Sandra Bullock, Grant Heslov, and Zoe Kazan

Grant Heslov at an event for Our Brand Is Crisis (2015)

Sandra Bullock, George Clooney, David Gordon Green, and Grant Heslov at an event for Our Brand Is Crisis (2015)

George Clooney and Grant Heslov at an event for August: Osage County (2013)

George Clooney, Bob Gazzale, Grant Heslov, and Jacqueline Lyanga at an event for August: Osage County (2013)

Tzi Ma, Arabella Field, Grant Heslov, and Kirk Trutner in Dante's Peak (1997)

Tzi Ma, Arabella Field, and Grant Heslov in Dante's Peak (1997)

Tzi Ma, Arabella Field, Charles Hallahan, and Grant Heslov in Dante's Peak (1997)

George Eads, Jorja Fox, and Grant Heslov in CSI: Crime Scene Investigation (2000)

Jorja Fox and Grant Heslov in CSI: Crime Scene Investigation (2000)

Paul Giamatti and Grant Heslov in The Ides of March (2011)

George Clooney and Grant Heslov at an event for The Ides of March (2011)

Grant Heslov at an event for The 78th Annual Academy Awards (2006)

Kelly Hu, Grant Heslov, Bernard Hill, and Dwayne Johnson in The Scorpion King (2002)