Tom Sizemore plays a key role on season two of Hawaii Five-O. You're looking at Internal Affairs Capt. Vince Fryer.
Welcome, Lauren German. That actress debuts as Lori Weston on the second episode of season two of Hawaii Five-O.
Danno and McGarrett aren't alone on horseback here. They are joined by Lauren German as Lori Weston, a new character on Hawaii Five-O.

Hawaii Five-0 Season 2 Episode 2 Quotes

Kono: Who are you?
Fryer: You might want to sit down.

You broke my trust; there will be consequences as I said there would be.

Lt. Governor