TV's top reality talent - Mark Cuban, Jane Lynch, Guy Fieri, Nick Cannon, Mike Darnell and LL Cool J - discuss on-set psychologists, coaxing contestants and America's first reality star presidential candidate, Donald Trump.

Casey Affleck, Mahershala Ali, Jeff Bridges, Andrew Garfield, Joseph Gordon-Levitt, and Dev Patel discuss how they go about researching roles, being typecast and what it's like working with celebrated directors.