Emma Amos, who replaced Michelle Holmes as Yvonne, originally tried out for the part of Phoebe when the show first started.
Many of the episode titles are names of songs from the 1940's. Whilst others such as 'Grief Encounter' are parodies of films of the era.
The theme tune for Goodnight Sweetheart, can also be heard in the Star Trek episode "City On The Edge of Forever", during a scene in the 1930's.
Nicholas Lyndhurst and Victor McGuire are the only actors to appear in all 58 episodes. Christopher Ettridge appears in 56 episodes.