Integrating Guest Stars into Your Star Trek Adventures RPG Campaign: A Guide for Gamemasters

For many fans of the Star Trek universe, role-playing games like Star Trek Adventures offer a unique opportunity to boldly go where no one has gone before. One of the most exciting possibilities for a gamemaster (GM) is incorporating iconic characters from the franchise as non-player characters (NPCs).

Whether your crew is serving aboard the USS Enterprise or engaged in a secret mission for Section 31, adding guest stars can elevate your game to the next level.

Why Use Iconic Characters?

  1. Nostalgia: There’s an undeniable joy for players when they run into Spock, Captain Picard, or Seven of Nine during an adventure.
  2. Familiarity: Players already know these characters and their traits, which can help accelerate story development.
  3. Plot Hooks: Iconic characters can serve as great pivots for existing storylines, providing additional motivation for player characters.
  4. Canonical Context: Incorporating established characters can make your campaign feel more rooted in the Star Trek universe.

How to Incorporate Iconic Characters

1. Choose the Character Wisely

Decide which character would best fit the current narrative. The choice of character will depend on the campaign’s era, goals, and the nature of the mission.

2. Understand the Character

Watch episodes or read source material featuring the character. Understand their motivations, skills, and typical behavior. This will help you role-play them more authentically.

3. Introduce Them Naturally

Let the character’s arrival flow organically from the plot. If you’re running a science-heavy mission, it would make sense for Spock or Data to appear. For diplomatic missions, characters like Captain Picard or Sisko could fit well.

4. Use Them Sparingly

Keep the focus on the player characters. The guest star should enhance the story, not take it over. Limit their involvement to a mission or two, or use them as a recurring but peripheral figure.

5. Interactions and Relationships

Plan for meaningful interactions between the players and the NPC. Will they work together to solve a problem? Will the NPC serve as a mentor or perhaps provide a moral dilemma?

6. Respect Canon but Don’t Be Shackled By It

It’s crucial to be faithful to the source material, but remember you’re also creating your own story. Feel free to invent scenarios that could have happened “off-screen.”

7. Make Them Impactful

Make sure the appearance of the iconic character has a lasting impact on the campaign. Perhaps their actions or advice lead to new missions or affect the outcome of current ones.


  • Spock’s Wisdom: Players encounter Spock during a mission to negotiate peace between warring planets. Spock assists by advising on negotiation tactics, providing a minor skill bonus for the crucial talks.
  • Q’s Games: The omnipotent Q decides to test the players’ morality and logic by placing them in a simulated environment. Success or failure has real consequences in their universe.
  • Advice from Guinan: The players find themselves on the USS Enterprise-D and encounter Guinan in Ten Forward. A heart-to-heart with her provides them with valuable insights into their current dilemma, granting them inspiration for the challenges ahead.
  • Kira Nerys and the Resistance: Imagine your player characters are embroiled in a rebellion against a tyrannical regime. During a covert mission, they encounter Kira Nerys, the seasoned Bajoran freedom fighter. She can teach the group essential guerrilla tactics, perhaps giving them an advantage in future skirmishes. The skills learned from Kira can be a game-changer for your characters, emphasizing the weight of her contribution to their journey.
  • The Doctor’s House Call: Your team is dealing with a mysterious and deadly pathogen on a remote outpost. Just when things look hopeless, The Doctor (the holographic medical officer from “Voyager”) is temporarily transferred to their location to assist. This could lead to a unique medical mini-game, where the players, guided by The Doctor, have to diagnose and treat the illness to prevent a pandemic.
  • Worf’s Honor: Your team has been framed for crimes they did not commit and are being pursued by Starfleet. They find an unexpected ally in Worf, who believes in their innocence and insists on helping to clear their names. His Klingon values make him sympathetic to the cause of honor, even if it puts him at odds with his superiors. Worf can either join the crew temporarily, adding combat skills and tactical expertise, or guide them to resources that will help prove their innocence.
  • Tilly’s Engineering Puzzle: The crew encounters a highly advanced but malfunctioning piece of technology that threatens a nearby inhabited planet. Ensign Sylvia Tilly (from “Star Trek: Discovery”) appears, having been studying similar tech. She proposes an intriguing engineering puzzle the team must solve. Players will need to work alongside her, taking advantage of her enthusiasm and know-how, to prevent disaster.
  • Sarek’s Diplomacy: Your team is assigned a sensitive diplomatic mission that could lead to the alliance of multiple species against a common threat. As they are prepping for crucial talks, they discover that Ambassador Sarek is also present as a neutral mediator. Players can seek his counsel for advice on Vulcan diplomacy, logical arguments, and even emotional control. This guidance may grant them bonuses in the negotiation segments of their mission.

Incorporating iconic Star Trek characters can add depth and excitement to your RPG campaign. It allows players to engage with the Star Trek universe in a more intimate and interactive way. With careful planning and a respect for the source material, GMs can create memorable experiences that players will talk about long after the game session has ended.

TM & © 2023 CBS Studios Inc. © 2023 Paramount Pictures Corp. STAR TREK and related marks and logos are trademarks of CBS Studios Inc. All Rights Reserved.

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