In both instances, the Los Angeles County District Attorney determined that both cases fall well outside the statute of limitations and as such, "an analysis of the strengths and weaknesses of the evidence is not warranted".
The L.A. district attorney's office said in August that it was reviewing a second sexual assault accusation against Spacey, but declined to give details.
The Los Angeles County Sheriff's Department investigated a claim that Spacey committed forcible sodomy in October of 1992, which came to light after he was sacked by Netflix over sexual misconduct allegations. Both have been accused in other alleged assault cases now under review by the task force established by District Attorney Jackie Lacey a year ago to assess the wave of sexual harassment-related police reports filed in the wake of the #MeToo movement.
Beverly Hills police past year investigated Seagal after a woman reported he had raped her on January 1, 1993.
According to the district attorney's office, the victim was not a minor at the time of the alleged crime. The victim was 18 years old at the time.
Spacey's publicist in November said the two-time Oscar victor, who has been accused of sexual misconduct by more than a dozen men and boys, was "taking the time necessary to seek evaluation and treatment". Spacey apologized for any inappropriate conduct with Rapp but has not commented since and has stepped away from public life.
Police in London are investigating six criminal cases against him.
The action star was accused earlier this year by two women of sexual assault and rape. Since then, several men have come forward to report incidents involving the actor.