Meet Mr. Callaghan

Derrick De Marney

Slim Callaghan

Harriette Johns

Cynthia Meraulton

Adrienne Corri

Mayolo

Robert Adair

August Meraulton

Delphi Lawrence

Effie Perkins

Michael Balfour

Coffee Stallkeeper

Larry Burns

Darky

Michael Partridge

Jengel

Howard Douglas

Tweest

Trevor Reid

Inspector Gringall

Frank Sieman

Sergeant Fields

John Ainsworth

P.C. Masters

Brenda Gay

Secretary of William Meraulton

Peter Neil

William Meraulton

John Miller

Manservant

Roger Williams

Bellamy Meraulton

Belinda Lee

Jenny Appleby

Robert Moore

Nightclub Manager

Alex Gallier

Compere (as Alex De Gallier)

John Longden

Jeremy Meraulton

Frank Henderson

Paul Meraulton

Doug Robinson

Man (uncredited)