Aktorët

• Tom Selleck — Thomas Magnum
• John Hillerman — Jonathan Quayle Higgins III
• Roger E. Mosley — Theodore 'TC' Calvin
• Larry Manetti — Orville 'Rick' Wright
• Gillian Dobb — Agatha Chumley
• Kwan Hi Lim — Lieutenant Yoshi Tanaka
• Jeff MacKay — Lieutenant "Mac" McReynolds
• Kathleen Lloyd — Carol Baldwin