Helena Dvořáková
Laika (voice)
Acting
Karel Zima
Yuri Leftkin (voice)
Acting
Petr Čtvrtníček
Queerneck (voice)
Acting
Jan Vondráček
Ham / Cow (voice)
Acting
Miroslav Táborský
Neil Knockout (voice)
Acting
Robert Nebřenský
Professor Vorolev / Pig (voice)
Acting
Jan Budař
Assistant Tossoff (voice)
Acting
Martin Matejka
Younger Knacker / Professor Tossoff (voice)
Acting
Vladimír Merta
Older Knacker (voice)
Sound