 During 1990s, Riker had starring roles in a number of sitcoms, include "Get a Life" (1990-92), "Shaky Ground" (1992-93), "Thunder Alley" (1994-95), and "The Gregory Hines Show" (1997-99).She guest starred on "Murder, She Wrote", "Sabrina the Teenage Witch", "Buffy the Vampire Slayer", "Malcolm in the Middle", "Reba", "NCIS", "Boston Legal", "Bones", "Justified" and "The Glades".In 2000, Riker began appearing in a daytime soap opera "Days of Our Lives".