F.P.1 antwortet nicht (1932) (German)

Urged by famous airman Ellissen the Lennartz Company
puts into reality the project proposed by his friend Droste: F.P.1,
a huge floating platform in the Atlantic that makes long-distance
flights viable. Ellissen is in love with company heiress Claire, but
when he returns from his adventures to save the endangered F.P.1 he
finds out that he has lost her to Droste.

Geman Version Cast:
Hans Albers .... Ellissen / Sybille Schmitz .... Claire Lennartz
Paul Hartmann .... Droste / Peter Lorre .... Johnny, a reporter
Hermann Speelmans .... Damsky / Paul Westermeier .... Shipbuilder
Arthur Peiser .... Man with Toothache / Gustav Püttjer .... Man with Falsetto Voice
Hans Schneider .... 2nd Officer / Werner Schott .... Matthias Lennartz
Erik Ode .... Konrad Lennartz / Dr. Phillip Manning .... Ship's Doctor
Georg John .... Machinist / Rudolf Platte .... Radio Operator
Fritz Gnass .... Radio Operator at Lennatzwerk
114 Minutes

F.P.1 Doesn't Answer (1933) (USA)
English Version Cast:
Conrad Veidt .... Maj. Ellissen / Leslie Fenton .... Capt. B. E. Droste
Jill Esmond .... Claire Lennartz / George Merritt .... Lubin
Donald Calthrop .... Sunshine, the Photographer / Nicholas Hannen .... Matthias Lennartz
William Freshman .... Conrad Lennartz / Warwick Ward .... First Officer
Alexander Field .... A Sailor / Francis L. Sullivan .... A Sailor
74 Minutes