Netwrck 
Narrator
Choose your voice
Audio Volume
Image Generator
Portrayed By: David Nykl
Dr. Radek Zelenka is a brilliant scientist who joined the original expedition from Earth to the Ancient city of Atlantis in the Pegasus galaxy. He is an expert on Ancient technology and shares a friendly rivalry with Dr. Rodney McKay. Zelenka has appeared in approximately half of each season's episodes of Stargate Atlantis and also appeared in the crossover episode "The Pegasus Project" of Stargate SG-1. The series finale of Atlantis, "Enemy at the Gate", marks his last appearance.