Is Higgins Actually Robin Masters?

Higgins is the estate manager for Robin Masters's beachfront estate on Oahu, called "Robin's Nest". ... In the final episode of the series, Higgins tells Magnum that he really is Robin Masters.

Is Juliet Higgins Robin Masters?

Higgins is the "majordomo" (i.e., property manager) for the large Hawaiian estate of writer Robin Masters, for whom Magnum ostensibly works security and lives in his guest house. She is commanding, uses sarcasm to deflect emotion and is hard to get to know — but it's worth it in the end.

Did Robin Masters ever make an appearance on Magnum PI?

The voice of Robin Masters, heard only in five episodes, was provided by Orson Welles (one last appearance was provided by a different actor, Red Crandell). Magnum lives a luxurious life on the estate and operates as a P.I. on cases that suit him.