Episode 4

Episode 4 of the ITV original drama The Halcyon, originally aired on January 23rd, 2017 on ITV.

Synopsys
Joe is offered the opportunity of a lifetime but finds himself unexpectedly torn as the moral responsibility of staying in England to tell the story of the war weighs heavily on his shoulders. Betsey's mother Gloria comes for a surprise stay, leaving Sonny unsettled and wary of the reaction she incites from Betsey, while Lucian and Lady Hamilton continue their flirtation and Emma anxiously awaits news of Freddie when she hears that a plane from Squadron 392 has gone down.

Main

 * Olivia Williams as Lady Hamilton
 * Steven Mackintosh as Richard Garland
 * Jamie Blackley as Freddie Hamilton
 * Edward Bluemel as Toby Hamilton
 * Matt Ryan as Joe O'Hara
 * Hermione Corfield as Emma Garland
 * Tointon as Betsey Day
 * Sope Dirisu as Sonny Sullivan
 * Akshay Kumar as Adil Joshi

Recurring

 * Benton as Dennis Feldman
 * Ewan Mitchell as Billy Taylor
 * Liz White as Peggy Taylor
 * Nico Rogner as Max Klein
 * Annabelle Apsion as Lillian
 * Alex Boxall as Tom Hill
 * Nick Brimble as Skinner
 * Michael Carter as Wilfred
 * Lauren Coe as Kae Loughlin
 * Kevin Eldon as George 'Chef" Parry
 * Gordon Kennedy as Robbie
 * Jesse Rutherford as Terry

Guest

 * Charles Edwards as Lucien D'Abberville
 * Caitlin Innes Edwards as Statistician
 * Matthew Marsh as Delane
 * Maggie O'Neill as Gloria