11 TV Cast Upheavals, From Kevin Spacey in 'House of Cards' to Clayne Crawford in 'Lethal Weapon' (Photos) Actor Seann William Scott took over the role of Martin Riggs for the show's third season, which got the green light from Fox on May 13. ... “To my cast and crew – CONGRATULATIONS on season 3!” Crawford wrote.

What happened to the original Riggs on Lethal Weapon?

Riggs was shot in the Season 2 finale and declared dead in the third season premiere, with Seann William Scott joining the series as Wesley Cole, a new partner for Murtaugh.

Why did Sean William Scott leave Lethal Weapon?

Crawford was fired from Fox's Lethal Weapon reboot in May after multiple reports of incidents of bad behavior on set. The actor apologized for two incidents for which he was reprimanded during the sophomore season. In his apology, Crawford detailed the two incidents that ultimately led to his eventual firing.