Alex Ekker served four years in the Marine Corps—then decided to be an actor. While sightseeing at the Empire State Building, he talks about his professional début in Aaron Sorkin’s “A Few Good Men.”

Fresh from playing the Cyclops in Christopher Nolan’s “The Odyssey,” the rubber-limbed actor chats about reviving and starring in Molière’s “The Imaginary Invalid” on Broadway.

The playwright and the immunologist famously argued about AIDs live on C-SPAN, in 1993. Their heated exchange now unfolds in a new play that almost included a “Guys and Dolls” song break.