who is lleyton hewitt?
Tennis player
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 John Rhys @-@ Davies as General Leonid Pushkin : The new head of the KGB , replacing General Gogol . 

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 Desmond Llewelyn as Major Boothroyd : Head of " Q " Section ( British Intelligence gadgetry department ) . 

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 Blanford 's fox , Vulpes cana 

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 Both Sophie Okonedo and Terence Hardiman , who played Liz 10 and government head Hawthorne respectively , have had experience in Doctor Who related roles . Okonedo previously portrayed Alison Cheney , a companion of the alternate Ninth Doctor known as the Shalka Doctor in the online flash @-@ animated serial Scream of the Shalka . Hardiman later voiced King Sitric in the Big Finish audio play The Book of Kells . 

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 Rhys Alun Williams , portrayed by Kai Owen , is a fictional character in the BBC television programme Torchwood , a spin @-@ off from the long @-@ running series Doctor Who . The character is introduced in the premiere episode as the co @-@ habiting boyfriend of principal character Gwen Cooper . Initially a recurring character , Rhys ' role is increased after the second series ; actor Kai Owen is given star billing from the show 's third series — a five @-@ part serial subtitled Torchwood : Children of Earth — onwards . The character has gone on to appear in expanded universe material such as the Torchwood novels and audiobooks , comic books and radio plays . 
