Mary Lee
Judy Gunn
John Gregg
Louis Hayward
Night Watchman
Shayle Gardner
Boiler Man
James Craig
Chemist
Thorley Walters
Ian Wilson
Thompson
David Hutcheson
Minnie
Googie Withers
Company President
Morris Harvey
Vice-President
Aubrey Dexter
Kathleen
Eve Turner
Allan
Bernard Miles
Managing Director
Jack Knight
Hosiah Smith, Chief Chemist
Gilbert Davis
Director
Michael Powell
Director of Photography
Arthur Crabtree
Writer
Selwyn Jepson
Story
Jack Celestin