caption: WARNING: Embargoed for publication until 00:00:01 on 05/06/2018 - Programme Name: Poldark - Series 4 - TX: n/a - Episode: Poldark S4 - Portraits (No. n/a) - Picture Shows: ***EMBARGOED TILL 5TH JUNE*** Caroline Penvenen (GABRIELLA WILDE) - (C) Mammoth Screen - Photographer: Mammoth Screen