Blackthorne's first film role was as Captain Andrew Russell in the Oscar-nominated Bollywood film Lagaan. He spent six months learning Hindi for the role. He also starred in Mindcrime and the festival-winning indie feature length film Four Corners of Suburbia, winner of both the Crossroads Film Festival in Best Narrative Feature . Additional indie film credits include Bret Easton Ellis's This Is Not an Exit, and a starring role in the British film The Truth Game. Blackthorne appeared as Jonas Exiler in Special, with Michael Rapaport. Blackthorne's directorial debut This American Journey was released in 2013. The road trip documentary film follows Blackthorne and Australian photographer Mister Basquali as they travel across America interviewing everyday Americans about how they feel about their country and their hopes for its future. The film was featured at the Hollywood, Carmel, Ojai and Big Bear Film Festivals. It was released through Cinema Libre Studios.
In the final episode of the third series of "24" : Day 3: 12:00 p.m.-1:00 p.m., a profile of his character, Stephen Saunders , is seen on a computer screen. It describes him as being only 5 10", despite the fact that he is notably taller.
Originally auditioned on "24" to play Michael Amador.
Lagaan: Once Upon a Time in India , the film in which he made his film debut, was nominated for the Academy Award for Best Foreign Language Film.
He spent six months learning Hindi for his role in Lagaan: Once Upon a Time in India .
He has played the same character (Quentin Lance) in three different series: "Arrow" , "The Flash" and "Legends of Tomorrow" .
