From '3rd Rock' to 'Shrek': The many faces of John Lithgow

John Lithgow in (from left) 'Perry Mason', '3rd Rock From The Sun' and 'The Crown'. Photos: HBO Asia, NBC Universal Inc, Netflix

When you have a high-calibre actor and a smart man like John Lithgow on a video conference call, you know you’d get answers that are eloquent, well-thought-out and informative.

And he doesn’t disappoint.