He played the title role of Thomas Magnum, a private investigator and former Navy officer, and is also known for his roles in 'Three Men and a Baby', 'Quigley Down Under', 'Blue Bloods', and 'Friends'
He played Jonathan Higgins, the uptight and snobbish caretaker of the estate where Magnum lives, and is also known for his roles in 'Chinatown', 'Blazing Saddles', 'Paper Moon', and 'The Betty White Show'
He played Orville 'Rick' Wright, a former Marine and helicopter pilot who is Magnum's friend and owns a club, and is also known for his roles in 'Black Sheep Squadron', 'The A-Team', 'JAG', and 'Hawaii Five-0'
He played Theodore 'T.C.' Calvin, a former Marine and helicopter pilot who is Magnum's friend and runs a tour company, and is also known for his roles in 'The Jericho Mile', 'Roots', 'Unlawful Entry', and 'The Last Stand'
She played Diane Dupres, a former love interest of Magnum who fakes her death, and is also known for her roles in 'Basic Instinct', 'Casino', 'The Quick and the Dead', and 'The Practice'