Guest Stars Scott Nicholson as Colin Stiles Hiam Abbass as Marcia "Marcy" Roy Zoe Winters as Kerry Castellabate Swayam Bhatia as Sophie Roy Alexander Skarsgård as Lukas Matsson Dasha Nekrasova as Comfry Quentin Morales as Iverson Roy Harriet Walter as Caroline Collingwood Pip Torrens as Peter Munion Ella Rumpf as Contessa Tomas Arana as Laurie Co Starring Angeliqa Devi as Wedding Planner Filippo Valle as Italian Lawyer Simonetta Solder as Wedding Officiant