PLAYED BY: Ray Walston
SPECIES: Human Male

Groundskeeper at Starfleet Headquarters and Starfleet Academy on Earth, something of a fixture there since 2321. His career there has spanned more than half a century, during which his mentoring of numerous promising cadets has belied his apparently humble role as groundskeeper.

PLAYED BY: Robert Duncan McNeill
SPECIES: Human Male

A brilliant and magnetic Starfleet Academy cadet in 2368 who headed the Nova Squadron. Locarno was expelled after his antics lead to the death of Cadet Joshua Albert.
 

PLAYED BY: Walker Brandt
SPECIES: Human Female

Cadet Second Class at Starfleet Academy in 2368. Hajar was team navigator for Nova Squadron when it attempted the Kolvoord Starburst maneuver, with fatal consequences.
 

PLAYED BY: Shannon Fill
SPECIES: Bajoran Female

Bajoran female and member of Starfleet Academy's Nova Squadron in 2638. Sito was involved in the accident that destroyed all five ships and killed one of the squadron members.
 

PLAYED BY: Jacqueline Brookes
SPECIES: Human Female

Superintendent at Starfleet Academy who presided over the inquiry into the death of Nova Squadron member Joshua Albert in 2368. Two years later she informed Beverly Crusher that her son Wesley was in danger of washing out of the academy.

PLAYED BY: Richard Fancy
SPECIES: Vulcan Male

Vulcan Starfleet officer. In 2368, while stationed at Starfleet Academy in San Francisco, Satelk oversaw the hearing that investigated the Academy Flight Range accident involving an illegal Kolvoord Starburst maneuver.

PLAYED BY: Ed Lauter
SPECIES: Human Male

Starfleet officer and father of Cadet Joshua Albert, who as a member of the elite Nova Squadron died in a flight accident in 2368. Lt. Commander Albert was present at the inquiry into his son's death, which initially blamed the cadet for pilot error.