Where Were You When the Lights Went Out? (1968)

Director: Hy Averback
Cast: Doris Day, Jim Backus, Lola Albright, Morgan Freeman, Patrick O'Neal, Robert Morse, Steve Allen, Terry-Thomas

Synopsis:

When the Great Northeast Blackout of 1965 hit, millions of people were left in the dark, including Waldo Zane, a New York executive in the process of stealing a fortune from his company, and two people whose paths he’s destined to cross, Broadway actress Margaret Garrison and her husband, Peter.