Roadkill: Characters Roadkill Thriller 10/18/20 United Kingdom https://www.bbc.co.uk/programmes/p08tfqfs GeneralEpisodesCastCharactersGallery Characters See all characters → Peter Laurence Dawn Ellison Madeleine Halle Helen Laurence Charmian Pepper Lady Roche Susan Laurence Duncan Knock Rochelle Lily Laurence Rose Dietl Mick 'the Mouth' Murray Joe Lapidus Steff Frost Margaret Moore Adam De Banzie Dame Vanessa Pollard Trevor Quinn