Kellie Noelle Martin (born October 16, 1975) is an
American television actress who is known for her roles as Rebecca "Becca" Thatcher in
Life Goes On (1989–93), Christy Huddleston in
Christy (1994–95),
Lucy Knight on
ER (1998–2000), and Samantha Kinsey in
Mystery Woman (2003–07).