The star, who played Lewis Skolnick in Revenge of the Nerds, separated from his wife Edith in July (15), and now he has decided to end the marriage, citing irreconcilable differences.

He's also asking for spousal support from his wife.

Ironically, the Carradines appeared in an episode of reality TV series Celebrity Wife Swap earlier this year (15), and switched with retired American football star Terrell Owens and his girlfriend.