Johnny Kastl

Johnny Kastl is an American actor best known for his role as Dr. Doug Murphy on the medical comedy Scrubs. Born in Oklahoma and raised in Texas, Kastl attended Washington University in St. Louis where he double-majored in Biology and Drama. He co-founded and was an active member of a student sketch comedy group called 'The Kaktabulz'. Kastl has made cameo appearances in several Hollywood productions and played other television roles, including Todd Jaracki on The Beast with Patrick Swayze. He has also appeared in the films Hulk and War of the Worlds. Kastl had a recurring role on Scrubs for 8 years from 2001 to 2009 as Dr. Doug Murphy, a doctor who goes from being totally incompetent to a very competent forensic pathologist.