Doctor Who 04.02 Caribbean Blue: Episode 2 (29:05, 66.8 MB mp3, released 2011.09.13) On the edge of known space, the Doctor and Emma make a rather bumpy landing. On Jacob's Disc, something is burrowing up from deep underground. Written by Ewen Campion Clarke Featured in the cast were: David Ault as the Doctor M Sieiro Garcia as Emma Collins Bernadetta M Groves as Kayzee Vlyn Al Aseoche as Palleen Kadijah and the Computer Brian Bedard as Alexis Macdon Jim Hamilton as Sempto Maurice Michael Roberts as Eljay Loobans Ari Baronovski as Gelver Koffni Directed by Jim Hamilton Music by Murray Gold Production and Sound Design by Jim Hamilton