Oscar Wilde | Oscar | Oscar Peterson | Fritz Lang | Oscar Hammerstein II | Fritz Leiber | Oscar de la Renta | Oscar De La Hoya | Oscar Pistorius | Fritz Kreisler | Oscar II of Sweden | Fritz Weaver | Oscar the Grouch | Oscar Robertson | Oscar Shumsky | Oscar Mayer | Oscar Levant | Oscar Brashear | Fritz Reiner | Fritz Haber | Robert Fritz | Robert C. Fritz | Oscar Niemeyer | Oscar Lopez | Oscar Isaac | Oscar Goodman | Oscar D'León | Fritz Gesztesy | Fritz Dreisbach | Chris Fritz |
Unger's other Salzburg Festival roles included Monostatos in two different stagings of The Magic Flute (1967, 1968 and 1970, staged by Oscar Fritz Schuh and conducted by Wolfgang Sawallisch; 1974 staged by Strehler and conducted by Karajan, and Valzacchi in Richard Strauss' Der Rosenkavalier (1969, staged by Rudolf Hartmann, designed by Teo Otto, and conducted by Karl Böhm).