Michael Schneider Variety Editor at LargeOn “Only Murders in the Building,” Steve Martin plays Charles-Haden Savage, the former star of popular crime drama “Brazzos.” The inspiration for playing a washed-up TV star, Martin tells Variety’s Awards Circuit podcast, “comes from worry. I think about actors who’ve had these hits, they’re on TV for eight years. And then they don’t really work that much again, because they’re maybe too identified with the part.