sentences:  Cowan has also appeared in television adverts for Danone Actimel (2003 to 2004), Nationwide Building Society (2006), Cadbury's (2007), and Cif cleaning products (2008) She was a finalist in the So You Think You're Funny competition at the 1999 Edinburgh Festival Fringe.On 5 March 2009, Cowan guest-starred in Episode 7, "JJ", of the third series of the teen drama "Skins".She plays the mother of the character JJ and returned again in the sixth episode of the fourth series to reprise the role.