I've listened to it now, it was fun. Thanks for introducing me to it :)
And going back through previous episodes, I see other Trek regulars:
- 169: Cirroc Lofton
- 108: Denise Crosby
- 57: Walter Koenig
- 40: Anthony Rapp
- 25: Will Wheaton
Trek guests:
- 147: Andy Richter
- 134: Ed Begley, Jr.
- 107: Richard Kind
- 95: Alicia Coppola
- 70: Rachel Dratch
- 42: Jim Beaver
- 29: Scott Thompson
- 15: Paul F. Tompkins
- 8: Paul Scheer
- 2: Phil LaMarr
Other scifi:
- 168: Jerry O'Connell (Sliders)
- 166: Adam Savage (The Expanse)
- 161: Barry Sonnenfeld (Men in Black)
- 158: Cory Doctorow (Down and Out in the Magic Kingdom)
- 144: Sarah Wayne Callies (Colony)
- 140: Ever Carradine (Eureka; The Handmaid's Tale)
- 124: Bruce Vilanch (Star Wars Holiday Special)
- 102: John Hodgman(Favorite Episode of The Next Generation podcast)
- 75: Yeardley Smith (Maximum Overdrive)
- 68: Michael Peña (Battle: Los Angeles)
- RERUN/21: Grant Imahara (Star Trek Continues)
- 50: Kelly Hu (X2)
- 48: Jim Rash (Rick and Morty)
- 28: Elliot Kalan & Felicia Day (MST3K revival, Eureka)
- 26: Lea Thompson (Back to the Future)
- 13: Fred Willard (Space Force 1978)
- 4: Maz Jobrani (Better Off Ted)