This Alan Rickman photo contains
costume d'affaires and costume d’affaires.
There might also be
bien habillé personne, costume, costume pantalon, tailleur-pantalon, pantalon costume, pantsuit, personne bien habillé, and pantalon de costume.
Well, honestly this is plus a cameo appearance. Then virtually unknown (well, not to theatre goers, of course) Alan Rickman and his three lines in exchange with Sir Alec guinness in the brilliant TV six-parter Smiley's People. 1979