Cassandra Haynes is a minor character in Season 6 of Power.
Season 6
Derek walks in on her and Rashad Tate engaging in sexual activity, and Cassandra tells Derek she hasn't been happy in their marriage for a while. She later tells Ramona that she is planning on running for congressional seat next year and Ramona says she's not very intelligent. Cassandra appears again in Reversal Of Fortune and tells Tate she is sorry about his campaign going badly. She is sleeping with Tate again at the end of the episode and Tate says he is only blowing off steam before his campaign, Cassandra walks out, annoyed.