caption years_active birth_place birth_date image article_title name occupation
koch at the 2014 comic-con international 2011 -- present grosse pointe park , michigan , u.s. 24 february 1988 alexander koch sdcc 2014 -lrb- cropped -rrb- . jpg alexander koch -lrb- actor -rrb-
 alexander koch actor
alexander koch -lrb- actor -rrb-

alexander koch -lrb- born february 24 , 1988 -rrb- is an american actor .
he plays the series regular role of junior rennie on the cbs series `` under the dome '' based on the novel by stephen king .
he currently resides in los angeles .
