Kieron Hobbs - Mark Gascoyne

DI Mark Gascoyne is a colleague of Calvin Valentine. He is portrayed by Craig Russell. Mark is a DI who works alongside Calvin. He slept with Jacqui McQueen during a breakdown of her relationship with Tony Hutchinson. He became closer to Carmel McQueen. Calvin found condoms in Carmel's purse. He became suspicious of Mark and Carmel's relationship. Carmel confessed that she bought them for Lauren Valentine and Barry Newton. Mark raided The Loft and made Calvin beat up Warren Fox. Mark upset Louise Summers and Ravi Roy by insinuating that Warren was dead. Warren then beat up Mark as revenge. In December 2008, Mark and Calvin arrested Tony Hutchinson for sleeping with 15 year old Theresa McQueen. In May 2009, he became aware of Calvin's deals with Warren. Calvin told him everything and that he had plans to get Warren to confess to Sean Kennedy murder. Calvin recorded a confession of both Sean and Louise's murders. However the recorder had broken and the evidence was lost. Calvin was then sacked. In June, Mark made enquiries about Warren's murder and searched for suspect Justin Burton. He then arrested Clare Devine.