Other voice credits include Meier Link in both Vampire Hunter D: Bloodlust and Vampire Hunter D, Pavlo Zaitsev in episode 16 of Ghost in the Shell: Stand Alone Complex, Jason Wynn in HBO's Spawn animated series, and Aristotle in Reign: The Conqueror.
John also had a role as a voice actor playing Cid Bunansa in the video game Final Fantasy XII.
Lee was also the producer and screenwriter for the 2001 film Breathing Hard, in which he played the character John Duggan.
He has written the plays Blood and Milk, Hitler's Head, Passchendaele, Clean Souls and Frankincense.
He has adapted into English Schiller's Don Carlos, Racine's Britannicus and Grabbe's Jest, Satire, Irony and Deeper Significance.