Iain Glen is a Scottish film and stage actor who portrayed Dr. Alexander Isaacs in Resident Evil: Apocalypse and its sequel, Resident Evil: Extinction. Glen first came to prominence starring as the villain in another video game adaptation, 2001's Lara Croft: Tomb Raider. Since then he has also appeared in various British and American TV series, such as Doctor Who, Downton Abbey, and Game of Thrones.