Retired bionic man and former OSI agent. Jaime's former lover, he returns to active duty to combat the Fortress terrorist group and later deals with Jaime's bionic deterioration.
Retired bionic agents with a shared romantic past complicated by trauma and memory loss.
Estranged father and son, with Steve intervening in Michael's military career.
OSI Director and former agent, providing strategic oversight and mission coordination.
Technical expert and field operative, providing critical bionic knowledge and support.