George Clooney's early role as Mark Kolmar occurred a decade before he shot to fame as Dr Ross in the hugely successful medical drama of (almost) the same name, ER (1994).

George Clooney, Conchata Ferrell, Mary McDonnell, Luis Avalos, Ian Patrick Williams, James Gallery, James Lashly, K Callan and Sam Anderson all later went to play a role in ER (1994).

Based upon the play "E/R: Emergency Room" by Ronald Berman, Zaid Farid, Richard Fire, Carolyn-Purdy Gordon, Stuart Gordon, Gary Houston, Tom Towles and Bruce A. Young produced by the Organic Theater Company of Chicago, premiering Feb. 1982.