Bas van Toor

~ as ~

Bassie / Head of Secret Service (Voice)

Aad van Toor

~ as ~

Adriaan

Paul van Gorcum

~ as ~

Professor Archibald Chagrijn

Hans Leendertse

~ as ~

Joris

Hans Otjes

~ as ~

De kapitein / Jeroen van der Steen

Guus Verstraete jr.

~ as ~

Robin the Robot (Voice) / Reporter / Hotel employee

Dick Rienstra

~ as ~

Inspector Van der Steen

Joop Hooghiemstra

~ as ~

Inspector Kaletie

Karen Verstraete

~ as ~

Women in hotel

Frans Vrolijk

~ as ~

Crying man