Derek, whose film credits include "10" and "Bolero," will play the owner of a horse stable where a murder occurs.
Welch will guest star in a different episode as the powerful matriarch of a Miami crime family Police Lt. Horatio Caine has been tracking during this, the show's 10th season. David Caruso plays Caine on the cop drama.
Welch is best known for her work in the movies "One Million Years B.C.," "Bedazzled," "Bandolero!, "100 Rifles," "Myra Breckinridge" and "Fantastic Voyage."
Britney Spears debuts 'Perfume' video
Wisconsin business offering 'therapeutic cuddling' forced to close