Stephen Merchant Greg Creator, Actor, Executive Producer, Writer Elgin James Creator Rhianne Barreto Rani Actor Gamba Cole Ben Actor Darren Boyd John Actor Eleanor Tomlinson Gabby Actor Clare Perkins Myrna Actor Jessica Gunning Diane Actor, Writer Christopher Walken Frank Actor Claes Bang The Dean Actor Aiyana Goodfellow Esme Actor Ian McElhinney John Sr Actor Nina Wadia Shanthi Actor Rhys Yates Smiler Actor Dolly Wells Margaret Actor Patrick Robinson Sean Actor Charles Babalola Malaki Actor Harry Trevaldwyn Stan Actor Silvia Presente Tori Actor Amanda Drew Ruth Actor Brona C. Titley Female Uber Passenger Actor John Butler Writer, Director, Executive Producer Frances Du Pille Producer Luke Alkin Executive Producer Kenton Allen Executive Producer Matthew Justice Executive Producer Jon Petrie Executive Producer Nikita Lalwani Writer Seb Barlow Executive Producer Nathaniel Price Writer Jess Bray Writer Curtis Vowell Director