Catherine McKevitt Murphy (born 7 August 1967) is a British actress.
She is known for her television roles as Tilly Watkins in the BBC drama The House of Eliott (1991–1994), Cheryl Barker in the Channel 5 soap opera Family Affairs (2003–2004), and as Julie Perkins in the BBC soap opera EastEnders (2010–2011).
Born in Essex, England, Murphy studied at the Sylvia Young Theatre School.
She played the role of Lorna in 1991, a love interest of Mark Fowler in soap opera EastEnders.
Murphy had earlier played the ongoing role of Cheryl Barker in serial Family Affairs for one year.