Recurring Guest Characters Guest Host 9 guest appearances Katie Simpson 2 guest appearances Anita Anand 2 guest appearances Supriya Dwivedi 2 guest appearances Lyndsay Duncombe 1 guest appearances Dominic LeBlanc 1 guest appearances Michael Chertoff 1 guest appearances Peter Armstrong 1 guest appearances Naheed Nenshi 1 guest appearances Navdeep Bains 1 guest appearances Catherine Cullen 1 guest appearances Françoise Boivin 1 guest appearances Meagan Fitzpatrick 1 guest appearances Éric Grenier 1 guest appearances Amanda Alvaro 1 guest appearances Tim Powers 1 guest appearances Kathleen Monk 1 guest appearances John Bolton 1 guest appearances