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John Lacy is an American stage, television and film actor. On House, M.D., he portrayed the Chief Surgeon of Princeton-Plainsboro Teaching Hospital, Dr. Dave Thomas.

Lacy moved off the live stage into television in 1989 in Matt Frewer's Doctor Doctor. Since then, he has had featured roles in Free Spirit, Desperate Housewives, Over There and Zodiac.


John Lacy at IMDB