Megalyn Ann Echikunwoke (born May 28, 1983 in Spokane, Washington) is an American actress, with a Nigerian-Native American heritage. She is known for playing Nicole Palmer in the first season of 24 and Isabelle Tyler in The 4400.

The daughter of an Igbo father and a Native American mother, she and her brothers were raised by their mother on the Navajo Indian Reservation in Chinle, Arizona. She has a brother named Miki and a sister named Misty.

Career

Echikunwoke was a series regular in the sci-fi series The 4400, playing the adult version of the mysterious Isabelle Tyler since the beginning of season 3. Echikunwoke left the show in 2007 after her character sacrificed herself. Not long after Echikunwoke left the show, it was dropped by its production company. Echikunwoke has previously starred in the MTV soap opera Spyder Games as Cherish Pardee, a coffee house singer. Other notable characters include the daughter in Like Family. She has had guest roles in numerous shows including The Steve Harvey Show, Boston Public, ER, What I Like About You, Buffy the Vampire Slayer, That 70's Show, Veronica Mars, and most recently Supernatural. She also had a recurring role during the first season of 24.