Mark Sheppard audio interview July 30, 2010 Recurring and Guest Stars News Click here to listen to an audio interview with Mark Sheppard (Crowley) from Toronto Polaris. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on Reddit (Opens in new window) Related