Suggestions by @skytalk

Viggo Mortensen

as Isidor Isaac Rabi in Oppenheimer (2003)

Ryan Phillippe

as Frank Oppenheimer in Oppenheimer (2003)

Val Kilmer

as Ernest Lawrence in Oppenheimer (2003)

Thomas Newman

as Composer in Oppenheimer (2003)

Sam Mendes

as Director in Oppenheimer (2003)

Eduardo López Rojas

as Raul in Havoc (2005)

Bruce Willis

as Jake in Havoc (2005)

Isaac Hayes

as Lawrence Beaumont in Havoc (2005)

Carla Gugino

as Mia in Havoc (2005)

RZA

as Charlie Beaumont in Havoc (2005)

Powers Boothe

as Vincent in Havoc (2005)

Tony Scott

as Director in Havoc (2005)

Wayne Kramer

as Director in Havoc (2005)

Mary Harron

as Director in Immaculate (2004)

Akira Emoto

as Vaughn Smallhouse in Southland Tales (Japanese Cast)

Ryuhei Kitamura

as Director in Southland Tales (Japanese Cast)

Hisako Kyoda

as Dr. Katarina Kuntzler in Southland Tales (Japanese Cast)

Taro Ishida

as Baron von Westphalen in Southland Tales (Japanese Cast)

Yumiko Fujita

as Dr. Inga Von Westphalen in Southland Tales (Japanese Cast)

Koichi Sato

as Bart Bookman in Southland Tales (Japanese Cast)