Pool of London

Bonar Colleano

Dan MacDonald

Susan Shaw

Pat

Renée Asherson

Sally

Earl Cameron

Johnny Lambert

Moira Lister

Maisie

Max Adrian

Charlie Vernon - acrobat / George

Joan Dowling

Pamela, Maisie's sister

James Robertson Justice

Engine Room Officer Trotter

Michael Golden

Customs Officer Andrews

John Longden

Det. Insp. Williams