Perdita Weeks: Perdita Weeks. Actress: As Above, So Below. Perdita Rose Weeks is a British actress who plays Juliet Higgins in the CBS-turned-NBC reboot series Magnum P.I. Weeks was born in South Glamorgan, to Robin and Susan (née Wade) Weeks, was educated at Roedean School in East Sussex, and studied art history at the Courtauld Institute in London. She is the younger sister of Honeysuckle Weeks and the older sister of Rollo...