In addition to The Bens, a growing number of guest writers have contributed to the Thrilling Adventure Hour over the years.
| Guest Writer | Episode(s) |
|---|---|
| John Ross Bowie | Riposte Mortem (TC #2) |
| Ed Brubaker | Claus and Effect (TAH #147) |
| Carla Cackowski | Austen Translation (TC #3) |
| Bill Corbett | Sparks Nevada's "I'm from Earth" Day Special (TAH #118) Inventor-y (TAH #170) |
| Matt Debenham | Basil's Day (TAH #149) Better Red Than Dead (TAH #173) |
| Glen David Gold | A Beyond Belief Valentines Day (TAH #106) Son of Beyond Belief (TAH #143) Space Oil (TAH #175) |
| Humphrey Ker | One, Two, Three Stikes, You're Dead! (TC #2) |
| Jenny Klein | If These Walls Could Talk (TC #3) |
| Douglas Petrie | A Beyond Belief Valentines Day (TAH #106) Sparks Nevada's "I'm from Earth" Day Special (TAH #118) Bon Viv-Haunt (TAH #164) |
| Jen Van Meter | Say Goodbye to Yourself (TC #4) |
| Len Wein | The Heart is a Lonely Haunter (TAH #159) |
| Jeremy Whitley | This Cockamamie Future (TC #5) |
| Katie Wood | April is the Duelist Month |