Self - Narrator (22 episodes, 2016-2024)
Self / Self - Ethical Hacker (21 episodes, 2015-2020)
Self (20 episodes, 2015-2020)
Self / Self - Former Detective Sergeant (20 episodes, 2015-2020)
Self (19 episodes, 2015-2020)
Self / Self - Former Military Intelligence (19 episodes, 2015-2020)
Self / Self - Cyber Security Specialist (19 episodes, 2015-2019)
Self - Online Intelligence Expert / Self - Intelligence Specialist / Self (19 episodes, 2015-2020)
Self - Former Scotland Yard Detective / Self - Ex-Scotland Yard Detective / Self - Former Undercover Detective / Self (19 episodes, 2015-2019)
Self - Former Military Sniper / Self - Former British Intelligence / Self - Intelligence Expert / Self (19 episodes, 2015-2020)
Self (18 episodes, 2015-2018)
Self / Self - Cyber Forensics Specialist (18 episodes, 2015-2019)
Self / Self - Cyber Security Expert (18 episodes, 2015-2018)
Self / Self - Lead Analyst / Self - Analyst & Former Military Intelligence / Self - Analyst (18 episodes, 2015-2019)
Self / Self - Online Intelligence Expert (17 episodes, 2015-2018)
Self (16 episodes, 2015-2018)
Self (15 episodes, 2016-2020)
Self (14 episodes, 2016-2020)
Self (14 episodes, 2016-2019)
Self - Investigative Psychologist / Self / Self - Investigate Psychologist (14 episodes, 2016-2020)
Self / Self - Analyst (13 episodes, 2018-2020)
Self (12 episodes, 2016-2018)
Ground Hunter (12 episodes, 2022-2024)
Self / Self - Analyst (11 episodes, 2015-2016)
Self / Self - Analyst (9 episodes, 2018-2020)
Self (8 episodes, 2018-2019)
Self (8 episodes, 2018-2020)
Self (7 episodes, 2018-2020)
Self / Self - Former Police Intelligence (7 episodes, 2018-2019)
Self - Narrator (6 episodes, 2015)
Self (6 episodes, 2015)
Self / Self - Online Intelligence Expert (6 episodes, 2018)
Self (6 episodes, 2016)
Self (6 episodes, 2018)
Self / Self - Analyst (6 episodes, 2016)
Self / Self - Former Head of Counter Terrorism, City of London Police (6 episodes, 2015)
Self / Self - Decorator (6 episodes, 2015)
Self / Self - Owner, Online Business (6 episodes, 2015)
Self / Self - Heating Engineer (6 episodes, 2015)
Self / Self - IT Manager (6 episodes, 2015)
Self - Former Military Intelligence (6 episodes, 2016)
Hunter (6 episodes, 2022)
Self (5 episodes, 2015)
Self (5 episodes, 2022)
Self / Hunter (5 episodes, 2024)
Self (4 episodes, 2015)
Self / Self - Surveillance Specialist (4 episodes, 2015)
Self - Software Developer / Self (4 episodes, 2016)
Self - Stockbroker's Assistant (4 episodes, 2016)
Self - Office Administrator (4 episodes, 2016)
Self / Self - Consultant Software Engineer (4 episodes, 2016)
Self - Postman (4 episodes, 2018)
Self (3 episodes, 2015)
Self - General Practitioner / Self (3 episodes, 2015)
Self - Househusband (3 episodes, 2016)
Self - Former Police Firearms Officer (3 episodes, 2018)
Self - Electrician (3 episodes, 2018)
Self (2 episodes, 2019-2020)
Self - Temp Worker (2 episodes, 2016)
Self - Military Facilities Manager (2 episodes, 2016)
Kirk Bowett (2 episodes, 2016)
Self - Property Investor (2 episodes, 2016)
Self - Former Royal Marine (2 episodes, 2016)
Self - Entrepreneur (2 episodes, 2016)
Self - Full-Time Mum (2 episodes, 2018)
Self - Advertising Executive (2 episodes, 2018)
Self - Milkman (2 episodes, 2018)
Self - Police Officer (2 episodes, 2018)
Self - Former Chief Superintendent (1 episode, 2020)
Self - Investigative Journalist and ex-Detective (1 episode, 2020)
Self (1 episode, 2019)
Self (1 episode, 2015)
Self (1 episode, 2020)
Self (1 episode, 2016)
Self - Teaching Assistant (1 episode, 2015)
Self - Accountant (1 episode, 2015)
Self - Team Manager (1 episode, 2015)
Self - NHS Support Worker (1 episode, 2015)
Self - PR Manager (1 episode, 2015)
Self - Pub Manager (1 episode, 2015)
Self - Nick's Wife (1 episode, 2016)
Self - Retired College Tutor (1 episode, 2018)
Self - Deputy Lord Mayor of Sheffield (1 episode, 2018)
Self - Neuro ICU Nurse (1 episode, 2019)
Self - Personal Banker (1 episode, 2019)
Self - Architecture Student (1 episode, 2019)
Self - Neonatal ICU Nurse (1 episode, 2019)
Self - Royal Marine Commando (1 episode, 2019)
Self - Campsite Owner (1 episode, 2019)
Self - Construction Manager (1 episode, 2019)
Self - Youth Worker (1 episode, 2019)
(1 episode, 2019)
Self - Drama Student (1 episode, 2019)