Production Company : Paramount Pictures
Country : USA
Language : English
Colour : Technicolor / B & W
Running time : 85 minutes
Original Music by Leith Stevens
Writing credits : Barré Lyndon & H.G. Wells (novel)
Produced by George Pal
Directed by Byron Haskins

Gene Barry .... Dr. Clayton Forrester
Ann Robinson .... Sylvia Van Buren
Les Tremayne .... Maj. Gen. Mann
Robert Cornthwaite .... Dr. Pryor (as Bob Cornthwaite)
Sandro Giglio .... Dr. Bilderbeck
Lewis Martin .... Pastor Dr. Matthew Collins
Houseley Stevenson Jr. .... Gen. Mann's aide
Paul Frees .... Radio Reporter
William Phipps .... Wash Perry (as Bill Phipps)
Vernon Rich .... Col. Ralph Heffner
Henry Brandon .... Cop at Crash Site
Jack Kruschen .... Salvatore
Cedric Hardwicke .... Commentary (voice)
Vittorio Cramer .... Narrator