Matthew Holness ... Garth Marenghi / Dr. Rick Dagless
Alice Lowe ... Madeleine Wool / Dr. Liz Asher
Ep: 1
Once Upon a Beginning
Starring: Richard Ayoade (Dean Learner as Thornton Reed), Matt Berry (Todd Rivers as Dr. Lucien Sanchez), Matthew Holness (Garth Marenghi as Dr. Rick Dagless, MD), Alice Lowe (Madeleine Wool as Liz Asher)
With: Julian Barratt (The Padre), Sarah Kants (Larry's Mother), Lawrence Michelowski (Larry Renwick), Kim Noble (Jim), Daniel Riste (Boy on Ward), Stuart Silver (Hospital Worker)
Written By: Richard Ayoade & Matthew Holness
Directed By: Richard Ayoade
Ep: 2
Hell Hath Fury
Starring: Richard Ayoade (Dean Learner as Thornton Reed), Matt Berry (Todd Rivers as Dr. Lucien Sanchez), Matthew Holness (Garth Marenghi as Dr. Rick Dagless, MD), Alice Lowe (Madeleine Wool as Liz Asher)
With: Matt Green (Chef's Assistant), Stephen Merchant (The Chef), Kim Noble (Jim), Jonathan Young (Clive the Temp)
Written By: Richard Ayoade & Matthew Holness
Directed By: Richard Ayoade
Ep: 3
Skipper the Eyechild
Starring: Richard Ayoade (Dean Learner as Thornton Reed), Matt Berry (Todd Rivers as Dr. Lucien Sanchez), Matthew Holness (Garth Marenghi as Dr. Rick Dagless, MD), Alice Lowe (Madeleine Wool as Liz Asher)
With: Spencer Brown (Shocked Man), Lydia Fox (Rick's Wife), Kevin Hudson (Hospital Worker), Graham Linehan (Porter), Lewis Palmer (Hospital Worker)
Written By: Richard Ayoade & Matthew Holness
Directed By: Richard Ayoade
Ep: 4
The Apes of Wrath
Starring: Richard Ayoade (Dean Learner as Thornton Reed), Matt Berry (Todd Rivers as Dr. Lucien Sanchez), Matthew Holness (Garth Marenghi as Dr. Rick Dagless, MD), Alice Lowe (Madeleine Wool as Liz Asher)
With: Julian Barratt (The Padre), Noel Fielding (Monkey Man), Kim Noble (Jim), Samir Haddad (Boy)
Written By: Richard Ayoade & Matthew Holness
Directed By: Richard Ayoade
Ep: 5
Scotch Mist
Starring: Richard Ayoade (Dean Learner as Thornton Reed), Matt Berry (Todd Rivers as Dr. Lucien Sanchez), Matthew Holness (Garth Marenghi as Dr. Rick Dagless, MD), Alice Lowe (Madeleine Wool as Liz Asher)
With: Matt Green (Scotsman), Paul King (Scotsman), Kim Noble (Jim), Jerome Smith (Patient), Richard Thomson (Scotsman), Tina Tutkova (Nurse)
Written By: Richard Ayoade & Matthew Holness
Directed By: Richard Ayoade
Ep: 6
The Creeping Moss From the Shores of Shuggoth
Starring: Richard Ayoade (Dean Learner as Thornton Reed), Matt Berry (Todd Rivers as Dr. Lucien Sanchez), Matthew Holness (Garth Marenghi as Dr. Rick Dagless, MD), Alice Lowe (Madeleine Wool as Liz Asher)
With: Julian Barratt (The Padre), Bronwen Davies (Linda), Nicholas Ivanov (Boy), Sarah Kants (), Graham Linehan (Porter)