Sally Ann Howes
— Jennifer Peters
Gordon Jackson
— Jock Melville
Basil Radford
— The Mechanical Type
Naunton Wayne
— The Mechanical Type
James Robertson Justice
— Arthur Peters
Sonia Holm
— Angela Carew
Nigel Buchanan
— Roy Fairfax
Joyce Barbour
— Aunt Mab
Campbell Cotts
— John Fairfax
Cyril Chamberlain
— Johnnie
Julia Lang
— Carole Saunders
Percy Walsh
— Editor, Evening Comet
Oliver Burt
— Editor, Morning Sun
Kenneth More
— Police Sgt. 'Bonzo'
Humphrey Lestocq
— Radio Commentator
Vincent Ball
— Hero in cinema sequence
Anne Valery
— Heroine in cinema sequence
Michael Goodliffe
— McPherson
Michael Balfour
— Crook (uncredited)
John Boxer
— Pub Landlord (uncredited)
Fred Griffiths
— Truck Driver (uncredited)
Sam Kydd
— Railway Ticket Clerk (uncredited)
Arthur Lowe
— Archibald (uncredited)
Jack May
— Newspaper Seller (uncredited)
William Mervyn
— Cinema Manager (uncredited)
Douglas Seale
— Jeweller's Assistant (uncredited)
André van Gyseghem
— Ex-Editor of Evening Comet (uncredited)
Jack Vyvyan
— Hotel Porter (uncredited)
Patrick Waddington
— Airline Director (uncredited)
Michael Ward
— Hairdressers' Manager (uncredited)