Robert Jason Costanzo (born October 20, 1942) is an American actor. He was born in New York City. He is known as the voice double for Danny DeVito. His first role was in the 1975 movie Dog Day Afternoon. He is also known for his voice role of Detective Harvey Bullock on Batman: The Animated Series, Superman: The Animated Series, The New Batman Adventures and Static Shock
His movie roles include Total Recall, Die Hard 2, Dick Tracy, City Slickers, and Down and Derby. His television roles include in Boston Legal, Hannah Montana, Friends, Days of Our Lives, The Golden Girls and as Commissioner Stenchler in the Sega CD game Sewer Shark.