Mark Harmon plays an unhappily married advertising executive who travels back in time to 1896 and falls in love with a widow (Mary McDonnell) who runs a newspaper. Eventually, his commutes between the two worlds threaten his happiness in both realms, and he must choose between the two. Based on the "Twilight Zone" episode "A Stop at Willoughby." Kristen: Catherine Hicks. Al: Philip Casnoff. Conductor: Bill Cobbs. Mary: Brittany Tiplady.