Castor and Topside force Sarah to make uneasy alliances. But there is some rest for the wicked, when Donnie gives Helena an unexpected ‘gift’, and the results of Alison’s candidacy finally come in. Even as team Leda takes a moment to breathe, change is afoot and a life hangs in the balance.

• Renée St. Cyr
• Graeme Manson
• John Fawcett

• Roger Cross
• Stephen McHattie
• Patton Oswalt