Raldeth
From Tardis Wiki, the free Doctor Who reference
Raldeth was a commander in the Chancellery Guard of Gallifrey.
During the Dalek invasion of Gallifrey, he was the leader of the Guards working to repel the Dalek forces. (AUDIO: The Apocalypse Element)
When the other Temporal Powers invaded Gallifrey in the aftermath of the Gallifreyan Civil War, Raldeth assisted Commander Maxil in the defence of the planet. (AUDIO: Appropriation)
In an alternative timeline, he met Coordinator Vansell when he returned to Gallifrey and took him to see the Lord President. (AUDIO: The Sirens of Time)
Behind the scenes
The character's name has been spelled and pronounced both "Raldeth" and "Reldath."