Oliver Platt (born January 12, 1960 in Windsor, Ontario, Canada) is a Canadian film and television actor. The son of Nicholas Platt, a career diplomat, and grandson of American architect Geoffrey Platt, he currently stars as lawyer Russell Tupper in Huff.
He also played Oliver Babish, special counsel to the President, on the TV show The West Wing.
He is a distant cousin of Diana, Princess of Wales, through their shared descent from American heiress Frances Work.
Platt graduated from Tufts University. In 1993, he married Camilla Campbell, and they have three children, Lili, George, and Claire.