Gus Loomer is a fictional character portrayed by J.K. Simmons in the TV series ER.
In the first episode they appeared in, titled Impulse Control (season 10), they were 49 years old.
They appear in 1 episodes out of a total of 331 aired
Episodes1
Impulse Control
episode S10.E14 february 2004Sam treats an abused, pregnant teen. Dr. Carter introduces African girlfriend Makemba to wintertime. ER chaos shocks a risk-assessment expert. Dr. Pratt and Abby restrain a man who has tuberculosis.