Martha Francis is a Detective Sergeant working in the computer crime investigation unit in Harcourt Square. Martha has been a member of An Garda Síochána for 26 years and has travelled abroad to undertake a number of courses in her specialist area. 
Emilia Gilroy is a Garda stationed in Tallaght, Dublin. She is originally from Poland and graduated from Templemore Garda College in 2015. As her career within the organisation progresses Emilia hopes to undertake a course in specialist interviewing
Colin Butterly has worked his way up from apprentice Carpenter / Joiner to trainee Site Manager, offering him greater opportunities and more responsibility. He is currently studying in DIT for a level 7 degree in Construction Management which he gained advanced entry into due to his trade qualification
Fergus works as a Senior Quality Officer in Teva Pharmaceuticals in Waterford. He completed his Leaving Cert with three Science subjects and went on to University College Cork to complete a degree in Microbiology. He started in Teva as a QA (Quality Assurance) Analyst and worked up to his current