After a long time, a circus is back in the area of Tidal Basin and already the strange phantom has reappeared: the white clown! He robbed banks and stores without a system and disappeared without a trace. Lane and Higgins, together with the worn-out journalist Shapiro, hunt for the mysterious culprit in the dense London fog.
as Inspector Higgins
as Barbara Lane
as Sir John
as Eddie Shapiro
as Jury chairman
as Dr. Marford
as Ann Pattison
as Clown
as Paul Norris
as Jacqueline Griffith
as Baxter
as Homer Jackson
as Dearborn
as Circus manager
as (archive footage)