The Three Investigators in The Mystery of the Invisible Dog

Julius Weckauf

as

Justus Jonas

Nevio Wendt

as

Peter Shaw

Levi Brandl

as

Bob Andrews

Jördis Triebel

as

Aunt Mathilda

Florian Lukas

as

Uncle Titus

Sunnyi Melles

Ulrich Tukur

Philipp Christ...