Actors New Cast Members New Cast Character Development Olivier Richters Camila Morrone Tom Hiddleston Danielle Savre Kevin Costner Matthew McConaughey Colin Firth Main Cast Janet Montgomery Tomb Raider Abby Kaitlyn Dever Cast Members Guest Stars Season 4 Character Roles New Actors Austin Stowell Challenges Character Replacement Outlander: Blood of My Blood Heartstopper Actor Guest Star Michelle Yeoh Hannah Dodd Villain Jeffrey Wright