Man In Outer Space (English Language Version) (1961)

aka's: Man From The First Century/
Muz Z Prvniho Stoleti/The Man From The Past

A custodian (Milos Kopecký) is accidentally sent into outer space where he meets an alien (Vít Olmer) who can make himself invisible. When they later return to Earth in the year 2447, even more complications result. Also with Anita Kajlichova. (This is the English language version of Man From The First Century, which is also available here at Rare Movie Collector).

NOTE: The picture quality for this film is not as sharp as the Czech version.