Gaston Jacquet. Gaston Jacquet was 46 in Their Son as 'Baron von Mallock'.
Adolphe Engers. Adolphe Engers was 45 in Their Son as 'Varietédirektor'.
Alexandra Nalder. Alexandra Nalder was >> in Their Son as 'Kleine Madeleine'.Alphons Schünemann. Alphons Schünemann was >> in Their Son as 'Kleiner Paul'.
Claire Rommer. Claire Rommer was 24 in Their Son as 'Madeleine'.
Erna Morena. Erna Morena was 44 in Their Son as 'Gräfin Mensdorf'.
Paul Richter. Paul Richter was 34 in Their Son as 'Graf Paul Mensdorf'.
Vladimir Sokoloff. Vladimir Sokoloff was 39 in Their Son as 'Berry'.
Marcella Albani. Marcella Albani was 29 in Their Son 
Gennaro Righelli. Gennaro Righelli was 42 in Their Son as 'Director'Mutz Greenbaum. Mutz Greenbaum was 33 in Their Son as 'Director of Photography'Georg C. Klaren. Georg C. Klaren was 28 in Their Son as 'Screenplay'Lothar Stark. Lothar Stark was 53 in Their Son as 'Producer'
Angus MacPhail. Angus MacPhail was 26 in Their Son as 'Story'
Ossip Runitsch