Leon Alton forma parte del reparto o del equipo de estas películas y series. En La Butaca Roja figura en 16 películas y 6 series, entre ellas Marnie la ladrona, Désirée y Chicago años 30.
Party Guest (uncredited)
Officer at Fleet Admiral's Meeting (uncredited)
Party Guest (uncredited)
Courtroom Spectator (uncredited)
Member of Silent Movie Audience (uncredited)
Theatre Patron (uncredited) (1 episodio)
Policeman (uncredited) (4 episodios)
Chief (uncredited) (1 episodio)
Delegate (uncredited) (1 episodio)
Bartender (uncredited) (1 episodio)