Career
She is best known for her role in the 1988 sequel Critters 2: The Main Course. Kernohan began her career in 1988 when she appeared in the low-budget slasher film Fatal Pulse. She appeared in several other films during 1988 including Roger Corman remake Not of This Earth, the post apocalyptic action film She-Wolves of the Wasteland and the film for which she is best known, Critters 2: The Main Course, where she plays "Lee", the bounty hunter.
The same year she appeared in the documentary The Decline of the Western Civilization Participant II: The Metal Years.
In 1990 she starred in Angel III: The Final Chapter, and her final film came in 1991 when she played herself in the direct-to-video film Scream Queen Hot Tub Party. In 1993, Kernohan died in hospital of injuries following a car accident.