Responding to an invitation issued five days earlier, five gentlemen meet at the London residence of their mutual friend, scientist George, who, having arrived late and disheveled, recounts the last five days, beginning with the group's 31 December 1899 meeting: George explains that he has been working for two years to prove the possibility of movement within the fourth dimension, time, by creating a time machine to carry man into the future or past.
Elenco: Rod Taylor , Alan Young , Yvette Mimieux , Sebastian Cabot , Tom Helmore , Whit Bissell , Doris Lloyd , Alan Young .