In 1954 the Haagse Comedie (now the Nationaal Toneel, or "National Theatre") appointed him resident composer, where he wrote scores for Eugene O'Neill's Mourning Becomes Electra and Tom Stoppard's Rosencrantz & Guildenstern Are Dead, among numerous others.
In 1936, Goffin went to the Westminster Theatre in London, working with Harley Granville Barker and Michael MacOwan on a range of productions, from classics such as Volpone, Uncle Vanya and Troilus and Cressida, to modern works including Mourning Becomes Electra, Heartbreak House, and T. S. Eliot's The Family Reunion. In 1938 Goffin was invited by the government to supervise a course on stagecraft and to lecture on the subject.
His many theatre credits include As You Like It, Desire Under the Elms, Mourning Becomes Electra, Merrily We Roll Along, and Trelawny of the 'Wells'.
Carmen Electra | Electra | Lockheed Model 10 Electra | Mourning Becomes Electra | Alonzo Mourning | Lockheed L-188 Electra | Lockheed Electra | Buick Electra | Mourning Widows | Mourning Becomes Electra (opera) | Lockheed Model 14 Super Electra | Lockheed Model 12 Electra Junior | Electra Woman and Dyna Girl | Electra (Sophocles) | Electra Heart | The Mourning Forest | Mourning of Muharram | Electra (teletext) |
In 1967, she created the role of Christine Mannon in the world premiere of Marvin David Levy's Mourning Becomes Electra at the Metropolitan Opera, in which Evelyn Lear and Sherrill Milnes also sang.