Hero At Large movie trailer (1980) Plot synopsis: An idealistic but struggling actor finds his life unexpectedly complicated when he stops a robbery while wearing the costume of Captain Avenger, a superhero character of a film he is hired to to promote. He decides to dabble at being a superhero only to find that it is more difficult and dangerous than he ever imagined. Director: Martin Davidson Writer: AJ Carothers Stars: John Ritter, Anne Archer, Bert Convy