Dennis is a fictional character portrayed by Greg Ainsworth in the TV series ER.
They appear in 1 episodes out of a total of 331 aired
Dennis is also portrayed by Bubba Lewis, Alex D. Linz and Anthony Rosselli.
Episodes1
The Gallant Hero & the Tragic Victor
episode S12.E21 may 2006Pratt struggles to get a straight story when two abused boys come into the ER with their father. Two U.S. Army officers enter the ER.
