Rollebesetning

• Ali Wong — Dr. Lina Lark
• David Ajala — Will Van Renseller
• Ditch Davey — Dr. Ian Bickman
• Kelly Reilly — Dr. Catherine Black
• Laura Fraser — Reagan Black
• Sepideh Moafi — Dr. Farrah Mahmoud
• David Chisum — Joshua Black
• Siobhan Williams — Esme Black
• Terry Kinney — Dr. Owen Morely
• Vanessa Redgrave — Dr. Helen Hartramph