Born in Taegu, South Korea. Adopted by parents of Irish and
French-Canadian descent. Raised in Hebron, Connecticut.
In 2001, Larkin was discovered by director Martha Coolidge and cast in
the lead role of the young son in Hallmark Entertainment's "The
Flamingo Rising." He then went on to train at the Greater Hartford
Academy of the Arts before entering Fordham College at Lincoln Center
as a theatre major. Midway through his sophomore year, Larkin made his
professional theatre debut in the off-Broadway production of "Back from
the Front." Prior to college graduation, he took off the fall semester of
his senior year to play the titular character in "Kafka on the Shore"
at Steppenwolf Theatre in Chicago. He graduated in 2009.