[HOBBS] Male… 30s. 40s. He has an enduring strength and intelligence. A mercenary .. He will join the resistance but does not have an allegiance to any particular group. A weapons expert and a bomb maker. A lower middle class upbringing. He is a soldier not an officer but has a keen intelligence and is very resourceful. Recurring Guest Star 7 of 8 Episodes.

[ERICA'S (ELIZABETH MITCHELL) EX-HUSBAND] Male… Late 30s – Mid 40s. A recovering alcoholic. He is tall and has a strength and maturity to him … a deep soft nature. He is not a cop or a solider(sptv050769). Perhaps a carpenter. He is very much a man. Recurring Guest Star. Two Episodes (104,. 105) possibly more.

[DR. LEAH PEARLMAN] Mid to late 20s… A medical doctor. Leah is a “V” who is a member of the Fifth Column. She does not work on the ship but was sent to help “Vs” undercover should they need medical attention. Recurring Guest Star. Ep#104 possibly more.

(Source)