 Michael Britten , portrayed by Jason Isaacs , is the father of the Britten family . He is married to Hannah , and has to live in two separate realities , after a car crash , one in which his wife Hannah was killed in the crash , and in the other his son Rex was the one killed . Also , in one reality , his now works with a new rookie partner Efrem Vega , where Isaiah goes to work in the Western Division with Ed Hawkins . In the other reality , he is still partnered with Bird . He see two two separate therapists : Dr. John Lee in one reality , and Dr. Judith Evans in the other . He wears a green wrist band in one reality , where Rex is alive , and a red wrist band in the other reality , where Hannah . He is seen very emotional in " Say Hello to My Little Friend " , because he doesn 't see he son . Because of his two realities , Michael now has routine to help him maintain the illusions of control . 
