The cast of Threshold
Nicholas Lea, Jamie Luner, Steve Bacic, David Lipper
What is Threshold about?
A space shuttle crew return to Earth, bringing alien "seeds" with them. These begin to grow into alien life-forms, needing hosts to complete their evolution... When their number reach the Threshold amount, they will be an unstoppable swarm, so it's up to two scientists to stop them beofre it's too late.