Writing

—		A Knight of the Seven Kingdoms: The Hedge Knight 1 episode … Writer
—		Doorways 1 episode … Writer
—		Untitled Game of Thrones Film … Characters
—		Sandkings … Novel
—		The Skin Trade … Writer

2025

… Short Story

2022

18 episodes … Book

2015

… Author

2011

4 episodes … Writer 73 episodes … Novel

1995

1 episode … Writer

1993

… Writer

1987		Nightflyers … Novel
1987		Beauty and the Beast 2 episodes … Writer

1986

5 episodes … Writer

Acting

2025

1 episode as George (uncredited)

2022

1 episode

2021		Why Are We (Not) Creative? as Self
2021		Once Upon a Time in Queens 4 episodes as Self

2019		Geek, and You Shall Find as Self
2019		StarTalk with Neil deGrasse Tyson 1 episode as Self
2019		Finding Your Roots 1 episode as Self

2018		Dragons 4 episodes as Self
2018		Meow Wolf: Origin Story as Self

2016

as Self

2015		Z Nation 1 episode as George R.R. Martin
2015		Fanarchy as Self
2015		Sharknado 3: Oh Hell No! as George R. R. Martin
2015		Morgenmagazin 1 episode as Self

2014		Atari: Game Over as Self
2014		Late Night with Seth Meyers 1 episode as Self
2014		Last Week Tonight with John Oliver 1 episode as Self - Special Guest
2014		Robot Chicken 1 episode as Himself/father
2014		Marvel Studios: Assembling a Universe as Self

2013

as Self

1990

6 episodes as Self

Production

—		A Knight of the Seven Kingdoms: The Hedge Knight 3 episodes … Executive Producer
—		Doorways 1 episode … Executive Producer
—		Elden Ring … Producer
—		A Dozen Tough Jobs … Producer

2024

… Producer

2022		House of the Dragon 18 episodes … Executive Producer
2022		Night of the Cooters … Producer
2022		Dark Winds 20 episodes … Executive Producer

2018		Nightflyers 10 episodes … Executive Producer
2018		Meow Wolf: Origin Story … Executive Producer

2015

… Co-Executive Producer

2011

73 episodes … Co-Executive Producer

1993

… Executive Producer

1987

56 episodes … Producer

Creator

—

… Creator

2022

… Creator

Crew

—

… Video Game