Born in Sakai, Osaka, Furutachi traveled to New York in his twenties to study acting at the HB Studio under Uta Hagen.

[1] After appearing in many TV commercials, some of which earned him "nationwide popularity",[3] he got significant roles in television dramas and films.

[4] He has frequently appeared in films directed by Seinendan member Kōji Fukada.

For instance, Harmonium won the Jury Prize at the Un Certain Regard section of the 2016 Cannes Film Festival,[5] with Furutachi gaining particular praise in reviews.

[6][7] It was announced in November 2017 he would be one of the main cast of the 2019 NHK Taiga drama Idaten.