Leo Lefford

A Lannister Bannerman is an unnamed minor character in Game of Thrones. He is played by guest star Vinnie McCabe and only appears in the tenth episode of the first season.

Season 1
He is present for a strategy meeting with Tywin Lannister following the defeat in the Battle of the Whispering Wood. He wears a blue and yellow cloak over his armor. Also present are Tyrion Lannister, Kevan Lannister, two other bannermen, Tywin's servant and several Lannister officers. He reports that Grey Wind killed a dozen men and as many horses during the battle. He believes that they should try to ransom Ser Jaime Lannister. He also suggests returning to Casterly Rock to raise levies. Tywin dismisses his bannermen and then announces plans to relocate to Harrenhal.

In the books
In the Song of Ice and Fire novels, the bannermen present for the meeting are Leo Lefford, Harys Swyft and Addam Marbrand. It is Lefford who suggests ransoming Jaime but several of Lefford's other lines from the passage in the book are given to Kevan in the episode. Swyft suggests returning to Casterly Rock but several of Swyft's other lines are also given to Kevan.