Rob plays Dr Ethan Willis, a U.S. Army colonel with the Combat Casualty Care program.
Luis plays Jesse Salander, known as 'Momma', a senior nurse who manages the residents.
Melanie plays Dr Malaya Pineda, a second-year resident who did her internship at Angels.
Noah plays Elliot Dixon, a fresh-faced new resident at Angels Memorial Hospital.
Harry plays Dr Angus Leighton whose father is on the hospital board at Angels Memorial.
Ben plays Dr Mario Savetti, a resident who grew up poor and sees ER as his only way out.
Enjoy huge hit shows such as Grimm, Believe, Crisis and more.
From the fascinating Who Do You Think You Are? to the epic Walking with Dinosaurs.
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From the amazing Dynamo: Magician Impossible to the gripping MasterChef Australia.
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Watch clips from your favourite shows as well as interviews and special features.
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Give your PC a Grimm touch with this great Season 2 wallpaper.