For the past eight years, crime drama Hawaii Five-0 has been one of the most successful TV shows out there. Alex O'Loughlin, Scott Caan, Daniel Dae Kim and Grace Park have been main cast members from the first season onwards and are well-known in Hollywood. Their success is not limited to their careers however, and they have also all been lucky enough to find love.

She will pursue her love of musical theatre...!

'Emmerdale': Sandra Marvin Talks About "Jessie's" Exit

This is Alex O'Loughlin's wife

Alex O'Loughlin (41) has played Comander Steve McGarrett since the show was first aired in 2010. The 41-year-old has been married to Malia Jones (41) since 2014. Malia Jones is a well-known American model and a successful surfer. Alex and Malia have a six-year-old son.  

Alex O'Loughlin and Malia Jones married 2014 in hawaii

Scott Caan is a father

Scott Caan (42) has also been a cast member since 2010. The 42-year-old plays the Detective Sergeant Daniel "Danny" Williams. He has also starred in a number of other series.

He has been in a relationship with Kacy Byxbee for many years and they make a beautiful couple on the red carpet, as Kacy is downright gorgeous! Their daughter Josie James was born in 2014.

Scott Caan and Kacy Byxbee at the premiere of "Rock The Kasbah"

Daniel Dae Kim has been married since 1993

Daniel Dae Kim (50) played Detective Lieutenant Chin Ho Kelly from 2010 to 2017. Fans were devastated when Daniel Dae Kim left the series. He has appeared in a number of other TV series and Hollywood movies since then.

Daniel has been married to brunette beauty Mia Kim for 25 years and they look very happy together. 

Grace Park’s husband is a famous physicist

Like Daniel, Grace Park (44), who played Officer Kono Kalakaua, was a cast member from 2010 to 2017. 

Gorgeous Grace has been married to project developer Phil Kim (51) since 2004. The 51-year-old is an experimental physicist whose main field of interest is condensed matter and who has taught at Harvard University. Grace and Phil have one son.