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La O Na Makuahine

Emmy winner Christine Lahti ("Chicago Hope") will play the key role of McGarrett's long-lost mother, Doris McGarrett. Last season ended with McGarrett discovering that not only is his mom still alive, but she's also the mysterious "Shelburne" he'd been searching for all season long.

'Hawaii Five-0' Season 3 Guest Stars

Plenty of big names will be saying "aloha" to CBS's hit procedural when it returns for Season 3 September 24. Get an early look at all the guest stars joining the "Five-0" cast this season.