caption years_active birth_place photo_size birth_date image article_title name occupation
spencer in september 2008 1991 -- present melbourne , australia 220px 12 february 1979 jesse spencer cropped.jpg jesse spencer
 jesse spencer actor , musician
jesse spencer

jesse gordon spencer -lrb- born 12 february 1979 -rrb- 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 '' .
