Dr. Sylvia Chalmers

Jefe

George Mansur

MTAC Control Officer

Carson Taylor (Matthews)

Tabitha Summers

Captain Faul

Maggie Scott

Ignacio 'Iggy' Mejia

Agent Michelle Lee

Sean Oliver

Major Dougherty

Tali

Dr. Pandy

Sheriff Clay Boyd

Col. Frederick Cooper

Leroy Jethro Moore

Admiral John McGee

Mary Hanlan

Jeremy Worth

Mason Finley

Agent Jane Melankovic

Dr. Pryor

GySgt Leeka

Cal Frasier

Captain Mike Watson

Dr. Grace Confalone

Ernie Yost

Karen Bright

Minister

Dr. Wayne Dobson