Richard Hammond
Biography
Motoring journalist noted for being "cute". He also presents Top Gear and is getting a reputation for fronting science-based entertainment shows, notably Sky One's Brainiac: Science Abuse and the 2005 one-off The Gunpowder Plot. In 2006, he sustained serious brain damage caused by driving a 300mph jet engine car off the runway on a York airfield.
Web links
BBC profile (we're not sure Time Commanders is really "sci-fi", but never mind.)