Prasanna Puwanarajah as Nadaraja Previously appearing in Patrick Melrose (starring Benedict Cumberbatch) and the BBC One series Doctor Foster: A Woman Scorned, Prasanna Puwanarajah plays Nadaraja in Line of Duty series six, one of Gail Vella's producers at the TV station she worked at. In episode 2, he alerts DS Arnott and DC Bishop about a podcast Gail was working on. Image Source: Getty / David M. Benett