The below photos from the second season of Outlander were previously released by Entertainment Weekly. There is also the key art photo with no text.
Those characters that can be seen in these photos include Frank Randall (Tobias Menzies), Claire Fraser (Caitriona Balfe), Jamie Fraser (Sam Heughan), The Duke of Sandringham (Simon Callow), Mary Hawkins (Rosie Day), Prince Charles (Andrew Gower), King Louis XV (Lionel Lingelser), Murtagh (Duncan Lacroix), Compte St. Germain (Stanley Weber), and Louise de Rohan (Claire Sermonne).
Source: Starz