Rankol, Ming's chief scientist, conceals many secrets. His body twisted and deformed by the toxic grey water of Mongo, Rankol should have been exiled to the Banelands with the rest of the mutant Deviates. But his brilliant mind gave him a way out, taking him to the highest corridors of power, which he navigates with the aid of a hovering transport device he designed himself.

Jonathan Lloyd Walker's recent credits include Paramount's feature film Shooter co-starring Mark Walhberg, ABC's comedy series Men In Trees with Anne Heche and the SCI FI Channel series Stargate SG-1.

Walker was born and raised in Henley-on-Thames, England. He began acting as a toddler, appearing in TV commercials. Later he performed in school musicals, many of which were choreographed by the mother of his schoolmate and actor Christian Bale. His family moved to Canada when he was a teenager, and he continued acting in both school plays and with the Children's Theatre Company in Montreal.

After college, after serving as an officer in the Canadian infantry, Jonathan resumed his passion for acting and began his professional career in Vancouver.

His early work included the roles in the TV movie Volcano: Fire on the Mountain, the series Viper, and multiple appearances on the iconic series The X-Files.

As his career progressed he continued to play diverse and complex roles like Mark Twain in The Secret Adventures of Jules Verne and Jesus Christ in The Second Coming.