The War Between the Land and the Sea

When a fearsome and ancient species emerges from the ocean, dramatically revealing themselves to humanity, an international crisis is triggered. With the entire population at risk, UNIT step into action as the land and sea wage war.

• 
  Russell Tovey

  Barclay Pierre-Dupont
• 
  Gugu Mbatha-Raw

  Salt
• 
  Jemma Redgrave

  Kate Lethbridge-Stewart
• 
  Ruth Madeley

  Shirley Bingham