[British/German/French]; Engineering drama about building of (and attempted destruction of) mid-atlantic "Floating Platform 1" airport/hotel, with Leslie Fenton, Conrad Veidt, Jill Esmond, George Merritt. Directed by Karl Hartl, From Walter Reisch and Curt Siodmak screenplay of Siodmak's 1932 novel "FP1 Antwortet Nicht."; 111 minutes.