Joshua's work with the RSC includes the recent DEATH OF A SALESMAN (RSC/West End), HENRY IV PART ONE & HENRY IV PART TWO, HENRY V and RICHARD II (Stratford, Barbican, UK Tour, New York & China), THE CANTERBURY TALES, AS YOU LIKE IT, HENRY IV PART ONE, HENRY V and the Olivier Award winning Jacobethan season which included EDWARD III, THE ROMAN ACTOR and EASTWARD HO!.
Other theatre credits include TRAVELS WITH MY AUNT (Glasgow Citizens), THE WINSLOW BOY, ROOTS, MACBETH, MARY STUART, THE TAMING OF THE SHREW and TROILUS & CRESSIDA (Clwyd Theatr Cymru), ANJIN: THE SHOGUN AND THE ENGLISH SAMURAI (Japan & Sadlers Wells), BRIGHTON ROCK (Almeida Theatre), RICHARD III, TWELFTH NIGHT and THE PASSION (Northern Broadsides), 20,000 LEAGUES UNDER THE SEA and John Godber's SOLD (Hull Truck), SOUTH PACIFIC (National Tour & Japan) and as Richard Burton in PLAYING BURTON (UK international tours).
Joshua's long association with Richard Burton has continued from stage to screen, starring as Richard in the feature film adaptation of PLAYING BURTON (BAFTA Cymru Winner for Best Television/Film Drama). He has also recorded as the voice of Richard Burton in BURTON'S DIARIES for BBC Wales Television and THE RICHARD BURTON DIARIES for BBC Radio 4. Further film credits include TROY, NEW WORLD, DR SLEEP, VERY ANNIE MARY, DEVIL'S BRIDGE, PANIC BUTTON and THE DARKEST DAY.
TV credits includes Series 4 of DOWNTON ABBEY, HIGH HOPES, TRIAL & RETRIBUTION, MIND GAMES, THE VISION and HEARTBEAT. He has most recently filmed A VERY ENGLISH SCANDAL, airing in 2018.
PLAYING BURTON won the BAFTA Cymru Award for Best Television/Drama.