Danish – Stumt vidne Dutch – Dumb witness (Poirot loses a client) Finnish – Mykkä todistaja French – Témoin muet German – Der ballspielende Hund. Hungarian – A kutya se látta Indonesian – Saksi Bisu (Dumb Witness) Italian – Due mesi dopo Norwegian – Det tause vitne Norwegian (Bokmål) – Det tause vitne Polish – Niemy świadek Portuguese – Testemunha muda Spanish – El testigo mudo/Dumb Witnes Swedish – Det stumma vittnet : detektivroman | 
