Top Billed Cast

1. 

   Talulah Riley

   Annabelle Fritton

2. 

   Rupert Everett

   Camilla Fritton / Captain Archibald Fritton / Fortnam Fritton

3. 

   Gemma Arterton

   Kelly Jones

4. 

   David Tennant

   Captain Lord Pomfrey / Sir Piers Pomfrey

5. 

   Colin Firth

   Geoffrey Thwaites

6. 

   Jodie Whittaker

   Beverly

7. 

   Juno Temple

   Celia

8. 

   Tamsin Egerton

   Chelsea Parker

9. 

   Toby Jones

   Bursar

10. 

    Sarah Harding

    Roxy

11. 

    Zawe Ashton

    Bianca

12. 

    Montserrat Lombard

    Zoe

13. 

    Ella Smith

    Lucy

14. 

    Celia Imrie

    Matron

15. 

    Clara Paget

    Bella

16. 

    Gabriella Wilde

    Saffy

17. 

    Cloe Mackie

    Tania

18. 

    Holly Mackie

    Tara

19. 

    Christian Brassington

    Peters

20. 

    Tom Riley

    Romeo

21. 

    Georgia King

    Juliet

22. 

    Pip Torrens

    Heathcoat Parker

23. 

    Zara Treherne

    Georgiana

24. 

    Tallulah Evans

    Jeminima

25. 

    Lola Mae Loughran

    Patience

26. 

    Edith Thompson

    Tabitha

27. 

    Florence Grounds

    Julie

28. 

    Jessica Agombar

    Jess

29. 

    Harriet Bamford

    Harriet

30. 

    Jessica Bell

    Beth

31. 

    Daisy Tonge

    Daisy

32. 

    Katherine Parkinson

    Physics Teacher

33. 

    Freddie Fox

    Head Boy

34. 

    Salah Essayah

    Pomfrey's Henchman

35. 

    Colin Michael Carmichael

    Police Officer

36. 

    David Armand

    Police Officer

37. 

    Angus Barnett

    Drunken Sailor

38. 

    Giles New

    Drunken Sailor

39. 

    Steve Furst

    Arbuthnott

40. 

    Humphrey Ker

    AD1 Member

41. 

    Ricky Wilson

    Rockstar

42. 

    Denise Stephenson

    Reporter

43. 

    Paul Putner

    Steve the Barman

44. 

    Aran Bell

    Headmaster

45. 

    Ross Peacock

    Globe Audience Member (uncredited)

46. 

    Jessica Henwick

    Globe Girl

47. 

    Cloi Mckee

    Tania