Thaddea Graham

Credits

Cast Credits

Margo's Got Money Troubles (2026)

Starring as Susie (4 episodes)

• Episode 1x04: Buddies (Apr 22, 2026)
• Episode 1x03: Jinxed (Apr 15, 2026)
• Episode 1x02: Homecoming (Apr 15, 2026)
• Episode 1x01: The Hungry Ghost (Apr 15, 2026)
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Wreck (2022)

Starring as Vivian (12 episodes)

• Episode 2x06: You Can Let Go Now (Mar 26, 2024)
• Episode 2x05: Gaylords of the Galaxy (Mar 26, 2024)
• Episode 2x04: Disposable (Mar 26, 2024)
• Episode 2x03: Hold the Line (Mar 26, 2024)
• Episode 2x02: Did You Miss Me? (Mar 26, 2024)
• Episode 2x01: Gay Miles Per Hour (Mar 26, 2024)
• Episode 1x06: Water off a Duck's Back (Oct 9, 2022)
• Episode 1x05: Needle in a Gaystack (Oct 9, 2022)
• Episode 1x04: The Sacramentum Slasher (Oct 9, 2022)
• Episode 1x03: Showtime! (Oct 9, 2022)
• Episode 1x02: Catch of the Day (Oct 9, 2022)
• Episode 1x01: Ship of Dreams (Oct 9, 2022)
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Bad Sisters (2022)

Starring as Una Houlihan (8 episodes)

• Episode 2x08: Cliff Hanger (Dec 24, 2024)
• Episode 2x07: How to Pick a Prick (Dec 18, 2024)
• Episode 2x06: Who by Water (Dec 11, 2024)
• Episode 2x05: Boom (Dec 4, 2024)
• Episode 2x04: Person of Interest (Nov 27, 2024)
• Episode 2x03: Missing (Nov 20, 2024)
• Episode 2x02: Penance (Nov 13, 2024)
• Episode 2x01: Good Sisters (Nov 13, 2024)
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Redemption (2022)

Starring as Siobhán Wilson (6 episodes)

• Episode 1x06: Episode 6 (May 23, 2022)
• Episode 1x05: Episode 5 (May 16, 2022)
• Episode 1x04: Episode 4 (May 9, 2022)
• Episode 1x03: Episode 3 (May 2, 2022)
• Episode 1x02: Episode 2 (Apr 25, 2022)
• Episode 1x01: Episode 1 (Apr 18, 2022)
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The Irregulars (2021)

Starring as Bea (8 episodes)

• Episode 1x08: Chapter Eight: The Ecstasy of Life (Mar 26, 2021)
• Episode 1x07: Chapter Seven: The Ecstasy of Death (Mar 26, 2021)
• Episode 1x06: Chapter Six: Hieracium Snowdoniense (Mar 26, 2021)
• Episode 1x05: Chapter Five: Students of the Unhallowed Arts (Mar 26, 2021)
• Episode 1x04: Chapter Four: Both the Needle and the Knife (Mar 26, 2021)
• Episode 1x03: Chapter Three: Ipsissimus (Mar 26, 2021)
• Episode 1x02: Chapter Two: The Ghosts of 221B (Mar 26, 2021)
• Episode 1x01: Chapter One: An Unkindness in London (Mar 26, 2021)
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Us (2020)

Starring as Kat (3 episodes)

• Episode 1x03: Episode 3 (Sep 20, 2020)
• Episode 1x02: Episode 2 (Sep 20, 2020)
• Episode 1x01: Episode 1 (Sep 20, 2020)

The Letter for the King (2020)

Starring as Iona (6 episodes)

• Episode 1x06: When the Blood Moon Rises (Mar 20, 2020)
• Episode 1x05: Spiral (Mar 20, 2020)
• Episode 1x04: Danger Knights (Mar 20, 2020)
• Episode 1x03: At the End of the World (Mar 20, 2020)
• Episode 1x02: Isn't She a Sweetheart? (Mar 20, 2020)
• Episode 1x01: Storm Clouds Gather (Mar 20, 2020)
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Curfew (2019)

Starring as Hanmei (2 episodes)

• Episode 1x08: Episode 8 (Apr 12, 2019)
• Episode 1x05: Episode 5 (Mar 22, 2019)

Guest starring as Hanmei (5 episodes)

• Episode 1x07: Episode 7 (Apr 5, 2019)
• Episode 1x06: Episode 6 (Mar 29, 2019)
• Episode 1x04: Episode 4 (Mar 15, 2019)
• Episode 1x02: Episode 2 (Mar 1, 2019)
• Episode 1x01: Episode 1 (Feb 22, 2019)
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Sex Education (2019)

Guest starring as Sarah "O" Owen (8 episodes)

• Episode 4x08: Episode 8 (Sep 21, 2023)
• Episode 4x07: Episode 7 (Sep 21, 2023)
• Episode 4x06: Episode 6 (Sep 21, 2023)
• Episode 4x05: Episode 5 (Sep 21, 2023)
• Episode 4x04: Episode 4 (Sep 21, 2023)
• Episode 4x03: Episode 3 (Sep 21, 2023)
• Episode 4x02: Episode 2 (Sep 21, 2023)
• Episode 4x01: Episode 1 (Sep 21, 2023)
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Today 3rd Hour (2018)

Guest starring as Thaddea Graham

• Episode 2026-04-08: On the Money: One Week Before Tax Deadline (Apr 8, 2026)

Doctor Who (2005)

Guest starring as Bel (4 episodes)

• Episode 13x06: Chapter Six: The Vanquishers (Dec 5, 2021)
• Episode 13x05: Chapter Five: Survivors of the Flux (Nov 28, 2021)
• Episode 13x04: Chapter Four: Village of the Angels (Nov 21, 2021)
• Episode 13x03: Chapter Three: Once, Upon Time (Nov 14, 2021)
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