[1] The film starred Robert Horton, Sebastian Cabot, and Jill St.

[2] In the following year, a sequel titled Foreign Exchange was released with the same main cast and crew.

[3] Both novels were reprinted by Brash Books in September 2019 in ebook, paperback and audio editions.

[4] Former spy turned private eye John Smith (Robert Horton) is wrongly arrested for the murder of his ex-wife's new husband.

Smith then finds himself acquitted for the crime by his former intelligence boss (Sebastian Cabot), but in return for a notebook from his time as a spy.