汤姆·塞立克

Thomas William Selleck

约翰·希勒

John Hillerman

罗杰·E·莫斯利

Roger E. Mosley

Susan Blanchard

Susan Blanchard

饰：Katherine Magnum - Magnum's Mother

R.J. Williams

饰：(as R J Williams)

Gillian Dobb

饰：Agatha Chumley

拉里·马内蒂

Larry Manetti

饰：Orville 'Rick' Wright

Constance Forslund

饰：Sandy - Rick's Companion

罗伯特·派恩

Robert Pine

饰：Lieutenant Thomas Sullivan Magnum III, USN

Geoff Heise

Geoff Heise

饰：(as Geoffrey Heise)

Norman Tang

饰：Chinese Chef