Kirsten Vangsness as Penelope Garcia

Kirsten Vangsness, who played eccentric tech analyst and communications liaison Penelope Garcia, was on for seasons 1 through 15 and was the only cast member to also appear on both of the series' spin-offs, and She was also one of several original cast members to join the

, which premiered in November 2022.

Penelope served as a key member of the crime-fighting team but also provided some much-needed comedic relief, particularly in her ongoing flirtation with Derek Morgan (played by ).

Vangsness told the show was a "wonderful, joyous, friendly and creative experience."

In addition to starring on , Vangsness also appeared in 2011's and 2015's

Vangsness to actor and writer Keith Hanson in 2022.

Matthew Gray Gubler as Spencer Reid

starred as Dr. Spencer Reid — the socially awkward boy genius of the Behavioral Analysis Unit (BAU) — since the premiere of in 2005 and remained a major player on the series for all 15 seasons, down to the final episode in 2020. Over the years, Gubler's Reid became one of the most beloved characters in the series.

In 2015, the actor told it was "a real honor" to be on the long-running show.

"It's so bizarre it has been on for so long because in no way, shape or form does it feel like that. It still feels like day two," Gubler said. "'Family' is the only thing I can think of to sum it up."

However, Gubler did not join his former castmates on the Paramount+ reboot.

In addition to his role on , Gubler has appeared in many movies, including

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