A missing message from rogue mathematician Alan Turing surfaces as part of the celebrations for his 100th birthday. In code, it provides the key to a century old puzzle that, if solved, will bestow academic immortality...and crash the world into chaos.
| Actor | Role |
|---|---|
| SSam EdgeDr. Jonah Antonius Bloch | Dr. Jonah Antonius Bloch |
| HHelen WebsterCas | Cas |
 Ian PinkAlan Turing | Alan Turing |
| MMichael RossProfessor Sebastian Moran | Professor Sebastian Moran |
| WWayne AllsopSkardon | Skardon |
| PPeter EasterbrookDr. Petersham | Dr. Petersham |