Guest Stars Karen Gillan as Soothsayer Peter Capaldi as Lobus Caecilius Lorraine Burroughs as Thalina Sasha Behar as Spurrina Phil Davis as Lucius Dextrus Tracey Childs as Metella Victoria Wicks as High Priestess Phil Cornwell as Stallholder Francois Pandolfo as Quintus Francesca Fowler as Evelina Gerard Bell as Major Domo