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Some major video game publishers might have trouble finding top talent to voice their game characters starting Friday, October 21. That’s when SAG-AFTRA—an actor’s union boasting 150,000 active members across film, TV, radio, and games—is set to begin a strike targeting some of the biggest companies in the game industry.

The strike threat comes more than a year after SAG-AFTRA first publicly discussed a proposed strike, following the 2014 expiration of a contract with publishers including EA Games, Activision, Disney, Take Two, Insomniac, and Warner Bros. The union is seeking royalty payments for actors in games that sell at least two million copies, as well as stunt pay for “vocally stressful” recording sessions, among other demands.

If those demands aren’t met, union members will be barred from all voice, motion-capture, and background work on games with 11 affected companies in total. The potential strike action was overwhelmingly approved last year by more than 96 percent of voting union members.