PLAYED BY: Tricia O'Neil
SPECIES: Klingon Female

Female Klingon warp-field scientist attending a metaphasic shield demonstration on the U.S.S. Enterprise NCC-1701-D in 2369. After the shield's Ferengi inventor was killed, Kurak seemed guilty. The perpetrator was Jo'Bril.

PLAYED BY: Peter Slutsker
SPECIES: Ferengi Male

Ferengi scientist who developed metaphasic shielding. In 2369, Dr. Reyga was murdered aboard the U.S.S. Enterprise by a jealous scientist who wanted to lay claim to the new shielding technique.
 

PLAYED BY: James Horan
SPECIES: Takaran Male

An Takaran who, in 2369, used deceit and murder to steal metaphasic shield technology from its Ferengi inventor. Dr. Beverly Crusher uncovered Jo'Bril's scheme and killed him in 2369.
 

PLAYED BY: John S. Ragin
SPECIES: Human Male

Noted expert in Subspace theory. He and his wife, Dr T'Pan of the Vulcan Science Academy, attended Dr Reyga's metaphasic shield experiment aboard the U.S.S. Enterprise-D in 2369.
 

PLAYED BY: Joan Stuart Morris
SPECIES: Vulcan Female

Vulcan subspace morphology expert who was Director of the Vulcan Science Academy for 15 years ending in 2369. She attended Dr. Reyga's metaphasic shield demonstration on the U.S.S. Enterprise-D.