Ritter trained acting under Cathy Henderson and W. Morgan Sheppard and stunts under John Kreng. She had supporting and featured roles in episodes of Baywatch (directed by Gregory J. Barnett), NYPD Blue, The X-Files, and Days of Our Lives. Her film credits include the short film Silent Whispers (1998), the independent film Boxes (2000), the short film The Caretaker (2001), and the mystery thriller Specter's Rock (2003, with Michael John Anderson). On the latter two she also served as producer. In addition Ritter was the stand-in for actress Laura Harring in David Lynch's mystery thriller Mullholland Dr. (2001, with Patrick Fischler, Wayne Grace, Blake Lindsley).