Sonequa Martin Green as Samantha 'Sam' Hanna (Sam)
Tatiana Maslany as Grusha Alekandrovich Nikolaev 'G' Callen (G/Grisha)
Rami Malek as Kevin Blye (Kensi)
Carlson Young as Megan Deeks (Marty)
Willa Fitzgerald as Erica Beale (Eric)
Beau Mirchoff as Neil Jones (Nell)
Emmy Rossum as Natalie Getz (Nate)
Bill Skarsgård as Alec Kolcheck (Anna)
Ricky Whittle as Michael Hanna (Michelle)