 <unk> <unk> <unk> ( born May 1968 ) is a Welsh actress , best known for her role as <unk> Tyson in the BBC medical drama <unk> City . She first rose to prominence in the lead role of the 1993 <unk> <unk> screenplay Great <unk> in Aviation . <unk> has worked in theatre , film and television , appearing in a number of Shakespearean theatrical performances , Hollywood films The i Inside and <unk> , and British television shows including Soldier Soldier , <unk> , Sea of <unk> and Doctor Who . She appeared in <unk> City from its eighth to eleventh series , from 2006 to 2008 , and in 2009 starred in the <unk> musical comedy My Almost Famous Family . 
