PLAYED BY: John Vickery
SPECIES: Betazoid Male

Betazoid science advisor and sole surviving crew member aboard the U.S.S. Brattain when the Enterprise-D discovered the ship ensnared in a Tyken's rift. Despite Hagen's cataleptic state, Deanna Troi was able to glean vital information from him.

PLAYED BY: Duke Moosekian
SPECIES: Human Male

Friend of Miles O'Brien while the two served aboard the Enterprise-D. Gillespie nearly started a riot in Ten-Forward while in the grip of paranoia caused by a lack of REM sleep, when the ship was trapped in a Tyken's Rift in 2367.

PLAYED BY: Craig Hurley
SPECIES: Human Male

Engineering crewman on the U.S.S. Enterprise NCC-1701-D, in 2367, affected by Tyken's Rift-generated sleep deprivation. While he and La Forge prepared the vacant U.S.S. Brattain for towing, Peeples heard strange noises.

PLAYED BY: Brian Tochi
SPECIES: Human Male

Conn officer aboard the U.S.S. Enterprise NCC-1701-D in 2367. He took Ensign Rager's place on the bridge after the ship was caught in a Tyken's Rift.
 

PLAYED BY: Lanei Chapman
SPECIES: Human Female

Conn officer aboard the U.S.S. Enterprise NCC-1701-D in 2367. Rager was affected by the Enterprise's encounter with a Tyken's Rift.

 

PLAYED BY: Deborah Taylor
SPECIES: Human Male

Starfleet commander of the science vessel U.S.S. Brattain driven to insanity in 2367 while trapped in a Tyken's Rift. Zaheva killed her first officer before being murdered herself.