Ralph Caspers: Ralph Caspers. Self: Wissen macht Ah!. Ralph Caspers was born on 18 January 1972 in Borneo. He is an actor, known for Wissen macht Ah! (2001), Robbi, Tobbi und das Fliewatüüt (2016) and Erik of het klein insectenboek (2004).
Known For: Wissen macht Ah! (Self - HostSelf - Host (2001-)), Robbi, Tobbi und das Fliewatüüt (Vater Findteisen), Erik of het klein insectenboek (Kever), Quarks Science Cops (The Cook)