Maggie Q Nikita Actor Shane West Michael Actor Lyndsy Fonseca Alex Actor Aaron Stanford Birkhoff Actor Melinda Clarke Amanda Actor Noah Bean Ryan Actor Dillon Casey Sean Actor Devon Sawa Owen Actor Sarah Allen Guest Star Lyndie Greenwood Guest Star Christopher Jacot Guest Star Harry Judge Guest Star Samy Osman Guest Star Derwin Phillips Guest Star Craig Silverstein Executive Producer David Levinson Executive Producer Danny Cannon Executive Producer McG Executive Producer Peter Johnson Executive Producer Dwight H. Little Director Michael Brandon Guercio Writer