Julia Joyce: Julia Joyce. Actress: Speed Racer. Julia Joyce was born on 14 June 1998. She is an actress, known for Speed Racer (2008), Torchwood (2006) and The Day of the Triffids (2009).
Known For: Speed Racer (Blonde Pack Leader), Torchwood (Holly Frobisher), The Day of the Triffids (Imogen), Doctor Who (Young Rose Tyler)