Merritt Wever Ruby Richardson Actor Domhnall Gleeson Billy Johnson Actor Phoebe Waller-Bridge Laurel Guest Star, Executive Producer Archie Panjabi Fiona Guest Star Saamer Usmani Derek Guest Star Tamara Podemski Babe Guest Star Vicky Jones Executive Producer, Writer Adam Countee Writer David Iserson Writer Kate Dennis Director, Executive Producer Kevin Bray Director Jenny Robins Executive Producer Natalie Bailey Director Emily Leo Executive Producer Oliver Roskill Executive Producer