She joined the Ballet Rambert in 1949,[2] later becoming its prima ballerina[3]Goldwyn danced numerous roles, including Les Sylphides, The Nutcracker, Gala Performance, and The Sleeping Beauty, She was fortunate early in her career to find an ideal partner in Alexander Bennett.
[5] In 1954, when Roberto Rossellini staged Joan of Arc at the Stake at the Stoll Theatre, London for his wife Ingrid Bergman, it was preceded by the first act of Giselle, the celebrated ballet critic of the Financial Times, Andrew Porter later wrote (in 1971) that "with Beryl Goldwyn as its delightful heroine , the Honegger work (Joan of Ark at the Stake) did not stand much of a chance".
When John Cranko choreographed the two ballets for Rambert: The Lady with her Shadow in Variations on a Theme (1955) and The Girl in Black in La Reja (1959), he chose Goldwyn for the lead roles.
[7] She represented Ballet Dancers on the Council of British Actors Equity and in this capacity, she was consulted before Rudolf Nureyev was granted his work permit to perform in the UK.
She also studied painting with Maggi Hambling and exhibited her works at Saint Martin's Gallery in London in May 1991.