Jesse Spencer
Jesse Spencer Spencer in September 2008 Born (1979-02-12) 12 February 1979 (age 36) Melbourne, Australia Occupation Actor, musician Years active 1991–present Jesse Gordon Spencer (born 12 February 1979) is an Australian actor and musician. He is best known for playing Dr. Robert Chase on the American medical drama House, and Billy Kennedy on the Australian soap opera Neighbours. He currently stars as Lieutenant Matthew Casey on the American drama series Chicago Fire.