She played Kianna in the 2008 film 21, Special Agent Michelle Lee in the CBS police procedural series NCIS, and Ivy, Topher Brink's assistant, in Dollhouse.

Lapira has also co-starred in the short-lived sitcoms Traffic Light, Don't Trust the B---- in Apartment 23, Super Fun Night, and 9JKL.

Most recently, she played Suzanne in Steve Martin’s Picasso at the Lapin Agile at the Old Globe Theatre in San Diego.

Lapira played neuroscientist Ivy in both seasons of Joss Whedon's series Dollhouse, appearing predominantly with Fran Kranz and Dichen Lachman.

Her TV credits include recurring roles in Dexter, ER, Monk, Grey's Anatomy, Law & Order: Special Victims Unit, The Parkers as Shaquan, Sex and the City, and The Sopranos.