Walking while listening to actors

I got tired of listening to music, so the latest things I'm listening to to help distract me from my sore knee as I walk are interviews of actors by the Screen Actors Guild Foundation. They are pretty interesting and last long enough for me to get some useful exercise, so I've bookmarked a bunch of them to watch in the coming days - there's one of Ian McKellen and Patrick Stewart for X-Men fans like me :) - but the one I listened to today was of Ewan McGregor ...