Knall und Fall als Detektive

Hans Richter

as Knall

Rudolf Carl

as Fall

Erika von Thellmann

as Frau Schreyvogel

Hubert von Meyerinck

as Stapler

Ingrid Lutz

as Lisa

Ludwig Schmitz

as Balduin Bornemann

Bruno Hübner

as Schmittchen

Charlott Daudert

as Lucie

Herbert Weißbach