Amazon.com description: Product Description: Kate Stewart and her UNIT team investigate and confront alien attacks on the planet Earth in the new 5 disc boxset. 2.1 Power Cell by Matt Fitton. On the trail of missing alien technology, Kate Stewart encounters the ambitious Felicity Lyme. Who are Cerberus - and what are they doing in the London Docklands? 2.2 Death in Geneva by Andrew Smith. With Tengobushi assassins on their tail, Kate and Osgood retreat to UNIT Command in Geneva. High in the mountains, Captain Josh Carter comes face to face with the enemy. 2.3 The Battle of the Tower by Andrew Smith. As London sleeps, an alien horde rises from the shadows. The Tower has been infiltrated - and UNIT must hold the line. At any cost. Lock and load. 2.4 Ice Station Alpha by Matt Fitton. As London sleeps, an alien horde rises from the shadows. The Tower has been infiltrated - and UNIT must hold the line. At any cost. Lock and load. Launching with last year's Extinction, UNIT - The New Series was the first Big Finish range to use characters from the BBC mega-hit 21st century relaunching of Doctor Who! A thrilling full-cast audio with cinematic sound design and music. Jemma Redgrave reprises the character of Kate Stewart as seen on TV in stories such as the globally cinema-screened Doctor Who - Day of the Doctor. Ingrid Oliver reprises fan-favourite character Osgood - as seen in last year's Zygon two-parter of TV's Doctor Who. CAST: Jemma Redgrave (Kate Stewart), Ingrid Oliver (Osgood), Warren Brown (Lieutenant Sam Bishop), James Joyce (Captain Josh Carter), Alice Krige (Felicity Lime), Asif Khan (Jay Roy), Tyrone Huggins (Dr Kenton Eastwood), Nigel Carrington (Sir Peter Latcham), Beth Chalmers (Anna/Radio Announcer/Quizmaster), Harry Ditson (General Grant Avery), Dan Li (Dokan/Alien Leader), Akira Koieyama (Chiso/Tengobushi Assassins), Stephen Billington (Commander Bergam), Jot Davies (Sebastien/Major Disanto).