Ray (also known as Marco), arrives in Walford to track down his ex-lover Carla Mitchell, who had left him in Brazil to return to her husband Grant Mitchell. Carla had been having an affair with Ray while she was married to Grant. He followed Carla to Walford to reclaim £12,000 that Carla had stolen from him, but Carla has sex with him, telling him that they can get back together. However, Ray tells Carla that he still needs the £12,000 back. She goes to Grant and tells him she needs £25,000 to pay off Ray.
The next day, Grant and his brother Phil Mitchell visit Ray, who tells them that he needs the £12,000. When Grant discovers that Carla has lied to him he is distraught, giving Ray the opportunity to run from his hotel room. Phil goes after him, and while they are gone Grant smashes the room with a baseball bat. After smashing a chest of drawers, Grant finds Ray's passport, giving a false name, Marco. Ray is next seen being pulled from the boot of Phil's Jaguar by Grant outside The Queen Victoria pub. Grant realises that he is a criminal, and gives him a small amount of money and his passport, directing him to the tube station, telling him never to return. This is Ray's last appearance.
Ray was Kennedy's second role in EastEnders as he also portrayed Dave Roberts in 2002.