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The working title of this film was Ticket to a Murder. In a Hollywood Reporter production chart, both Jack and Bob Neville are credited with the screenplay. Onscreen credits list only Jack Neville as a writer, however. The same chart lists John Davidson as a cast member, but his participation in the final film has not been confirmed. It is possible that Hollywood Reporter mistakenly combined John Elliott's first name with his character's last name, "Davidson." Editor Holbrook Todd's name is written as "Todd Holbrook" in the onscreen credits.