Barbados Quest

Tom Conway

Tom Martin

Delphi Lawrence

Jean Larson

Brian Worth

Geoffrey Blake

Michael Balfour

Barney Wilson

Marianne Stone

Mrs Wilson

John Horsley

Det. Insp. Taylor

Ronan O'Casey

Stefan Gordoni

Colin Tapley

Lord Valchrist

Alan Gifford

Henry Warburg

Grace Arnold

Lady Hawksley

John Colicos

Mustachioed Henchman (as John Collicos)

Campbell Cotts

Robert Coburn

Launce Maraschal

J.D. Everleigh

Mayura

Yasmina

John Watson

Detective Sgt. Grant

Reggie Morris

Cleanshaven Henchman (as Reg Morris)

Derrick Whittingham

Print Shop Manager

Charles Hammond