[2007-2008] Trained at Exeter based drama school, Cygnet Training Theatre.
His maternal great-grandfather, William Ewart Berry, 1st Viscount Camrose, was a prominent newspaper publisher, who was born in Merthyr Tydfil, Wales. Joshua is a great-nephew of politician Seymour Berry, 2nd Viscount Camrose, and of journalist Michael Berry, Baron Hartwell.
He is of Irish, English, Welsh, German Jewish, Scottish, and distant Belgian, ancestry. His surname, "Sasse", originates with his three times great-grandfather, who moved from Belgium to England.
(2015-2017) Was in a relationship with Kylie Minogue.
Has a son Sebastian with his ex wife Francesca Cini.