David Clayton Henrie (/ˈhɛnri/ HEN-ree; born July 11, 1989) is an American actor, writer, and director. He is noted for playing Ted Mosby's future son Luke on How I Met Your Mother and Justin Russo in Wizards of Waverly Place, as well as starring in the films Little Boy and Walt Before Mickey.

Early life
Henrie was born in Mission Viejo, California, to Linda Henrie (née Finocchiaro), a talent manager, and James Wilson Henrie, a producer formerly in real estate.  He is the older brother of actor Lorenzo James Henrie. His maternal grandparents were Italian. Henrie was raised as a Roman Catholic, and, in a video chat, stated that he is "a Christian and always will be". He grew up in Phoenix, Arizona.