Piers Mourant

Derek

Executive Producer (30 episodes)

Writer (18 episodes)

Writer (1 episode)

Executive Producer (17 episodes)

Story (2 episodes)

Teleplay (2 episodes)

Teacher

Additional Writing

Leon Rowlands

Zak (6 episodes)

Geographer (Present Day)

Self - Panellist (1 episode)

Self (1 episode)

Producer (18 episodes)

Writer (2 episodes)

Teleplay (7 episodes)

Story (1 episode)

Simon

Writer (15 episodes)

Richard Knights 'The Trigger Man' (1 episode)

New Advisor

Self (1 episode)

(1 episode)

Writer (1 episode)

Phil Smith

Self (1 episode)

Writer

Writer (6 episodes)

Creator

Writer (2 episodes)

Writer (12 episodes)