Mark Sheppard lands role on Doctor Who October 17, 2010 Recurring and Guest Stars News Mark Sheppard (Crowley) has landed a major role on Doctor Who. Click here for more information. 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