Joan Harben
Miss JohnsonRoddy Hughes
GreenOlaf Olsen
KnudsenJohn Rudling
WilsonCharles Saynor
PeteCharles Cullum
1st Company DirectorF.B.J. Sharp
2nd Company DirectorScott Harrold
Express ReporterJack Howarth
Receptionist at Corland MillBilly Russell
NightwatchmanAndy Alston
Mill Worker (uncredited)Jack Arrow
Mill Worker (uncredited)David Boyd
Office Boy (uncredited)Harold Coyne
Mill Worker (uncredited)Dan Cressey
Lab Technician (uncredited)Alan Haines
Reporter (uncredited)Laurence Hepworth
Chauffeur (uncredited)Frank Howard
Mill Worker (uncredited)Gertrude Kaye
Mill Worker (uncredited)Jimmy Millar
Mill Worker (uncredited)Joe Phelps
Mill Worker (uncredited)50 / 51