His first leading part in an English-language production, Becker performed in the BBC film Forgive Our Foolish Ways, where he played the role of a German prisoner of war next to Kate Nelligan.
In his next "Festival-Film" The Tenth One in Hiding (Festival International du Film Cannes 1989) Becker worked together with director Lina Wertmüller.
Several dream parts followed after the success of The Tenth One in Hiding, for example the characters Niels Jost in A Quiet Conspiracy (Channel 4; director: John Gorrie; also starring Joss Ackland), Rauscher in the American film Triumph of the Spirit (director: Robert M. Young; with Willem Dafoe, Robert Loggia), Lutz in the English-French Television film Free Frenchmen (also starring Derek de Lint, Agnes Soral, directed by Jim Goddard), Moritz in the English-Austrian feature film Gavre Princip by Peter Patzak, King Christian in Young Catherine (American TV; with a.o.
Vanessa Redgrave, Julia Ormond, Marthe Keller, Maximilian Schell; director: Michael Anderson), Rusty in the Italian TV-film Requiem per Voce e Pianoforte (RAI DUE), and last but not least Dieter Krause in the English TV-thriller The Waiting Time (ITV 1999; director: Stuart Orme).
His last leading roles in German feature films of the last years were The Unforgotten, Montag kommen die Fenster/Windows will drive on Monday (International Filmfestival Berlin), The Gift and Amatores Meae Matris.