ER Activities Do the ER things. Tools A B DOA Dead On Arrival Doug Ross George Clooney Mark Green Anthony Edwards Carol Hathaway Juliana Margulies Elizabeth Corday Alex Kingston Kerry Weaver Laura Innes Peter Benton Eriq La Salle Lucy Knight Kellie Martin Cleo Finch Michael Michele Dave Malucci Eric Palladino Jeanie Boulet Gloria Reuben Luka Kovac Goran Visnjic Deb Chen Ming-Na Robert Romano Paul McCrane John Carter Noah Wyle ER Emergency Room ETA Expected Time Of Arrival OR Operating Room ICU Intensive Care Unit MRI Magnetic Residence Imaging