Ben Vincent

"Yeah. It's like they used to say in old time hospital wards. The operation was a success but we lost the patient." Catacombs Of The Moon

Ben Vincent is Helena's deputy in Medical, filling Bob Mathias's post after his disappearance (scripts often referred to Mathias rather than Vincent).

In Journey to Where, Vincent monitors the medical signs in Command Center, and trades his ship-in-a-bottle in The Taybor. He helps Helena test artificial heart prototypes in Catacombs of the Moon, and helps review life support system in Seed of Destruction

In Space Warp, he finds Helena unconscious, and assists in surgery on the Maya animal.

In The Bringers of Wonder, he is reunited with Louisa, fights with Sandstrom and watches the flight to Earth.