Aya Sumika has played Special Agent Liz Warner, the love interest to Don Eppes (Rob Morrow) on Numb3rs the past couple seasons. On the upcoming fifth season, Aya Sumika will have a regular role in the cast. In case you were wondering, her mother is Japanese American and her father Caucasian.
Here’s a clip of Aya Sumika as Special Agent Liz Warner