Season Four of “Outlander” continues the story of time-traveling 1960’s doctor Claire Fraser and her 18th century Highlander husband Jamie Fraser as they try to make a home for themselves in the rough and dangerous ‘New World’ of colonial America. Meanwhile, in the 20th century, Claire and Jamie’s daughter Brianna Randall and historian Roger Wakefield search for proof that her parents found each other in the past.
Caltriona Balfe as "Claire Randall" (Now You See Me, Escape Plan)
Sam Heughan as "Jamie Fraser" (Doctors, A Princess For Christmas)
Tobias Menzies as "Frank Randall/Jonathan 'Black Jack' Randall" (Game of Thrones, Rome, Casino Royal)
Graham McTavish as "Dougal MacKenzie" (The Hobbit: An Unexpected Journey, The Hobbit: The Desolation of Smaug, Rambo)
Gary Lewis as "Colum MacKenzie" (Gangs of New York, Billy Elliot, Eragon)
Lotte Verbeek as "Gellis Duncan" (Nothing Personal, The Borgias, Suspension of Disbelief)
Duncan Lacroix as "Murtagh Fitzgibbons Fraser" (Game of Thrones)
Grant O'Rourke as "Rupert MacKenzie"
Stephen Walters as "Angus Mhor" (Batman Begins, Hannibal Rising)