In 1984, she played Charlotte in Forsyth's Comfort and Joy. In 1985, she was the receptionist in the BBC Television version of Blott on the Landscape. She had a recurring role playing Dave Lister's would-be love-interest, Kristine Kochanski, in series 1, 2 and 6 of the TV show Red Dwarf. In series 7, she was replaced by Chloë Annett. Grogan has also appeared in Father Ted (episode "Rock-a-Hula Ted") as a feminist rock singer and in EastEnders as Ian Beale's love interest, Ros Thorne (1997–1998).