Jack Black, Ben Stiller & Robert Downey Jr In Tropic Thunder #boomchallenge #film #actors #film @KORBA ; layla<3. lead an ensemble cast in 'Tropic Thunder,' an action comedy about a group of self-absorbed actors who set out. - Jack Black - Ben Stiller - Comedy - Action - LRC Watch Party: Con La Reina Creole, Retro Nerd Girl, Rrr Mmm. ; Jay Baruchel como. , Nick Nolte, Matthew McConaughey, Steve Coogan, Jay Baruchel, Danny McBride, Brandon T. K ; FBA WITH DEY. . lead an ensemble cast in "Tropic Thunder," an action comedy about a group of self-absorbed actors who set out. Jackson. ; Steve Coogan como Damien Cockburn. ; Robert Downey Jr. Tropic Thunder: Ben Stiller, Jack Black, Robert Downey Jr. Ben Stiller, Jack Black and Robert Downey Jr. Ben Stiller como Tugg Speedman. Ben Stiller, Jack Black and Robert Downey Jr. Tropic Thunder () - Robert Downey Jr. ; Jack Black como Jeff Portnoy. The trio of stars talk about about reaching the heart of darkness — and ridiculousness! — on the set of their jungle-set action comedy. como Kirk Lazarus.