- Unknown:
- James Edgar
- Produced By:
- Archie Campbell
- Alec Lennox. editor of The Daily Comet:
- James McKechnie
- Jennings. news editor of The Daily Comet:
- Malcolm Hayes
- Ruth Frohman, reporter on The Daily Comet:
- Angela Wood
- John Proctor ('J.P.'), proprietor of The Daily Comet:
- Edward Chapman
- Paul Rocca:
- Leonard Sachs
- Passer-by:
- Michael Turner
- Kitty Lacey( Kitty Fielding ):
- Marjorie Mars
- Arthur Lacey, her husband:
- Frank Atkinson
- Molly Lacey, her daughter:
- Jill Raymond
- Ralph Drewson, Molly's fiance:
- Simon Lack
- Editor, The Daily Argus:
- Eric Anderson
- Maynard, news editor of The Daily Argus:
- James Thomasoh
- Fleet Street reporters:Boyle:
- Leonard Trolley
- Fleet Street reporters:Naismith:
- Hamilton Dyce
- Fleet Street reporters:Kyle:
- Charles Hodgson
- Detective-Inspector Reynolds:
- Norman Wynne
- Worsley, assistant editor of The Daily Comet:
- Rolf Lefebvre
