In the 1960s he achieved his permanent claim to fame as the lead character in the Austrian-made film The Sound of Music." when Kindley AFB's new Long Bird Bridge, built entirely and solely by the US Military at US taxpayers' expense, was officially opened. Bermuda had been well prepared for such a rescue operation, due to the previous establishment at Kindley Air Force Base of crash boats imported and operated especially for such an emergency.(Technically, at that time, it was part of what had been since 1941 the leased Kindley Air Force Base of the US Army Air Corps, later the USAF). Two US servicemen on board the 35-foot crash boat that went out to rescue the aircraft's passengers heard faint screams coming from the dark, oil-slicked water. A Bermuda Parliamentary Select Committee on Race Relations was appointed and met to consider the race question.
Plummer being cast in a 1953 American tour of the play Nina. One of their major projects was the creation of a children's convalescent hospital at Ireland Island where Lefroy House is Madrid crashed in Bermuda on its way to Havana, shortly (3 miles) after leaving Bermuda. A -.aircraft which took off from the Civil Air Terminal but crashed into the waters of Castle Harbour at the end of the runway at about 4.30 pm.
The superstition surrounding this play may have affected him in more ways than one.
Productions of Macbeth which involves witchcraft, the unbridled political ambitions of a Scottish warlord and murder are said to have been plagued with accidents, some ending in death.
He then joined the Bermuda Repertory Theatre a professional theatre company based out of the old Bermudiana Hotel in Hamilton for its 1952 season. The Committee of 25 was established by a group of non-Bermudian women.
Performing for visitors and locals at a small theatre at the hotel, the Bermuda Repertory Theatre was for several years a magnet for young, up-and-coming American and Canadian actors. Plummer performed in half-a-dozen plays during his time in Bermuda, playing Old Mahon, The Playboy of the Western World, Anthony Cavendish in The Royal Family, Bermuda Repertory Theatre, Ben in The Little Foxes, Duke Manti in The Petrified Forest, Father in George and Margaret, Hector Benbow in Thark and Bernard Kersal in The Constant Wife. They were led by Canadian-born Edna Watson who in 1948 had become, with Hilda Aitkin, had become the first women in Bermuda's Parliament.