DR. ROBERT "ROCKET" ROMANO, Chief of Staff: A familiar face around County General, abrasive and duplicitous surgeon Dr. Robert Romano causes trouble wherever he goes.

Paul McCrane is a Grammy Award-nominated American movie, television and theatre actor, as well as a television director.

McCrane is probably best known for his television roles. He played the character of Robert Romano on "ER" for six years. Since then he has also taken the time to start directing, and has completed several episodes of "ER," and also single episodes of other popular shows such as "Without a Trace." He continues to work on television projects and was recently seen on season five and six of "24" and as a guest star on "Ugly Betty."

He is married to jewelry designer Dana Kellin and has two children. They currently reside in Los Angeles, California.