In 1964, following further singing study with Paul Lohmann in Wiesbaden and Luigi Ricci in Rome, he made his official stage debut as Amonasro in Aida at the Norwegian National Opera.
Skram's international appearances have included Spoleto Festival USA where he sang Amfortas in a production of Parsifal directed by Gian Carlo Menotti (1990) and Orestes in Elecktra (1992);[4] Glyndebourne Festival Opera where he appeared for nine seasons, most notably as Guglielmo in Così fan tutte and Figaro in The Marriage of Figaro; and the Berlin State Opera where he sang several Wagnerian roles.
[5] He has also appeared at London's Royal Albert Hall, the Opéra-Comique in Paris, Arena di Verona, La Monnaie in Brussels, and the Aix-en-Provence Festival.
In May 2011 more than forty years after his debut, he sang the role of Creon in Stravinsky's opera-oratorio Oedipus Rex at the Bergen International Festival.
[6] In 1984 Skram was awarded Norway's Knight of the Order of St. Olav and in 2001 the Anders Jahres Kulturpris for outstanding contribution to Norwegian culture.