| Pro | | | November 8, 1947 London |
| | Osla | Kendall | The wartime
girlfriend of Prince Philip. |
| | Elizabeth Alexandra Mary | | Full name of Elizabeth II - the Queen of the United Kingdom. |
| | Philip | Mountbatten | Formerly Prince Philip of Greece. |
| | Glenn | Miller | American big band musician, arranger, composer and bandleader. |
| | | | Eight Years Ago December 1939 |
| 1 | Mabel | Churt | A girl striving to make a better life for her mother and young sister. |
| | Daphne | du Maurier | British writer. |
| | Thomas | Hardy | British actor, screenwriter and producer. |
| | Lucy 1 | | Mab's sister. |
| | Mrs. | Churt | Mab's mother. |
| | Guinevere | Brodrick | Countess of Midleton. |
| | Ian | Farquhar | Brodrick's acquaintance. |
| | Molyneux | | A designer. |
| | Greta | Garbo | Swedish-American actress. |
| | Deborah | Mitford | The Dowager Duchess of Devonshire. |
| | Andrew | Cavendish | 11th Duke of Devonshire. |
| | Wilfred | Owen | English poet and soldier. |
| | Francis C. | Gray | Foreign Office official and mediocre poet. |
| 2 | Sarah | Norton | Osla's friend. aka: Sally |
| | William | Shakespeare | English playwright and poet. |
| | Billy | Hartington | Future Duke of Devonshire. |
| | Henry V | | King of England. |
| | Lord | Mountbatten | British Royal Navy officer. He was Prince Philip's uncle. |
| | Miss | Fenton | Sally's acquaintance. |
| 3 | Napoleon | | French general and emperor. |
| | Boadicea | | The queen of the British Celtic Iceni tribe. |
| | Scarlett | O'Hara | A protagonist in the novel Gone with the Wind. |
| | Alastair | Denniston | British cryptographer and Royal Navy Commander. |
| | Agatha | Christie | English mystery and detective writer. |
| | Miss | Marple | One of Christie's best-known characters. |
| | Hercule | Poirot | Agatha Christie's detective. |
| | Giles | Talbot | A Bletchley Park's worker. |
| 4 | Bethan | Finch | A spinster under the thumb of her overbearing mother .aka: Beth. |
| | Muriel | Finch | Beth's mother. |
| | Mrs. | Bowden | Mrs. Finch's acquaintance. |
| | Mr. | Finch | Beth's father. |
| | William | Thackeray | A British novelist, author and illustrator. |
| |
| Twelve Days Until The Royal Wedding November 8, 1947 |
| 5 | | | Inside the Clock |
| | Alice | Liddell | The registered name of a patient. |
| | | | Seven Years Ago June 1940 |
| 6 | Friedrich | Schiller | German poet, philosopher, historian, and playwright |
| | Miss | Senyard | Osla's supervisor. |
| | Mr. | Birch | Miss Senyard's acquaintance. |
| | Hinsley | | One of the workers at Bletchley Park. |
| | Winston | Churchill | British statesman served as Prime Minister of the United Kingdom. |
| 7 | | | June 1940 |
| | Adolf | Hitler | Leader of the Nazi Party. |
| 8 | Charlotte | Bronte | An English novelist and poet. |
| | Lewis | Carroll | An English writer, logician, Anglican deacon and photographer. |
| | Arthur Conan | Doyle | Scottish physician and author. |
| | Fanny | Price | The heroine in Jane Austen's 1814 novel. |
| | Jane | Austen | An English novelist. |
| 9 | Dillwyn Alfred | Knox | Beth's boss. |
| | Jane | | Osla's co-worker. |
| | Andrew | Kempton | Mab's acquaintance. |
| | Henry Omar D. | Zarb | Beth's acquaintance. aka: Harry. |
| 10 | Mr. | Bradshaw | A paymaster commander. |
| | Margaret | Rock | Beth's supervisor. aka: Peggy. |
| 12 | | | September 1940 |
| | Alan | Turing | Mr. Zarb's acquaintance. |
| | Jean | | Beth's co-worker. |
| | Olive | | Dilly Knox's wife. |
| 13 | | | September 1940 |
| | Bing | Crosby | American singer, actor and comedian. |
| | Thomas | Chalmers | Scottish minister, professor of theology, political economist. |
| | Sheila Jean | McGee | Harry Zarb's wife. |
| | Christopher | | Harry Zarb's son. |
| | | | Six Years Ago March 1941 |
| 15 | Daisy | Buchanan | The author of Insatiable. |
| | Ken | Johnson | A swing band leader and dancer. aka: Snakehips. |
| | Charlie | | A young naval officer. |
| 16 | | | From Bletchley Bletherings, March 1941 |
| | Harold | | An officer working at BP. |
| | Wren | Stevens | Mab's co-worker. |
| | Agnus | Dei | The name of the machine. aka: Aggie. |
| | Wilfred | Owen | English poet and soldier. |
| 17 | | | From Bletchley Bletherings, March 1941 |
| | Hugh | Alexander | An Irish-born British cryptanalyst. |
| | Andrew | Cunningham | A British Admiral of the Fleet. |
| | Phyllida | Kent | One of BP's workers. |
| | | | Six Years Ago April 1941 |
| 19 | | | From Bletchley Bletherings, April 1941 |
| | Benito | Mussolini | Former Prime Minister of Italy. |
| | Charles | Dickens | English writer and social critic. |
| | Bram | Stoker | Irish novelist and short story writer. |
| 20 | John | Cornwell | Osla's Good Samaritan. Aka: J.P.E.C. |
| | Veronica | Lake | American film, stage, and television actress. |
| 21 | | | From Bletchley Bletherings, May 1941 |
| | Princess | Margaret | Countess of Snowdon. |
| | Boots | | Beth's dog. |
| | Johann S. | Bach | German composer and musician of the Baroque era. |
| | | | Eleven Days Until The Royal Wedding November 9, 1947 |
| 22 | | | York |
| | Edward | | Mab's son. aka: Eddie. |
| | | | Six Years Ago May 1941 |
| 24 | | | From Bletchley Bletherings, May 1941 |
| | Geoffrey | Irving | Mab's acquaintance. |
| 25 | | | From Bletchley Bletherings, June 1941 |
| | Norman | Hartnell | The leading British fashion designer, for ladies of the royal family. |
| | Edward | Molyneux | Paris-based British fashion designer. |
| 26 | Alice of Battenberg | | Mother of Prince Philip and mother-in-law of Queen Elizabeth II. |
| 27 | | | From Bletchley Bletherings, September 1941 |
| | Bernard | Montgomery | British Army officer, Commander of Allied forces. |
| 28 | | | From Bletchley Bletherings, October 1941 |
| | Franklin D. | Roosevelt | 32nd president of the United States from 1933 until 1945. |
| | | | Ten Days Until The Royal Wedding November 10, 1947 |
| 30 | | | Inside the Clock |
| | Princess | Alexandra | The Queen's cousin and a working member of the Royal Family. |
| | Caroline M. | Douglas-Scott | Daughter of the 8th Duke of Buccleuch and Mary Lascelles. |
| | Vladimir | Lenin | Founder of the Soviet Union. |
| | | | Five Years Ago February 1942 |
| 31 | | | From Bletchley Bletherings, February 1942 |
| | Commander | Travis | The madhouse new warden. |
| | Angus Frank | Wilson | An English novelist and short story writer. |
| | Lilibet | | Philip's cousin. |
| | Queen Victoria | | Queen of the United Kingdom of Great Britain and Ireland. |
| 32 | | | From Bletchley Bletherings, February 1942 |
| | Peter | Twinn | Beth's new boss. |
| 33 | | | From Bletchley Bletherings, February 1942 |
| | Charlotte | Brontë | An English novelist and poet. |
| 34 | | | From Bletchley Bletherings, March 1942 |
| | David Milford | Haven | Philip's friend. |
| 35 | | | From Bletchley Bletherings, April 1942 |
| | Karl | Dönitz | German admiral during the Nazi era who succeeded Adolf Hitler. |
| 36 | Jimmy | | Stevens's fiancé. |
| | John | Donne | English poet, scholar, soldier. |
| | Kit | | One of Francis Gray's friends. |
| | Arthur | | One of Francis Gray's friends. |
| | Georges | | One of Francis Gray's friends. |
| | Napoleon | | French general and emperor. |
| 37 | | | From Bletchley Bletherings, May 1942 |
| | Oscar | Wilde | Irish poet and playwright. |
| | Jack | | Sheila's lover. |
| 38 | | | From Bletchley Bletherings, June 1942 |
| | Pinstripes | | Travis' acquaintance. |
| | | | Ten Days Until The Royal Wedding November 10, 1947 |
| | | | Five Years Ago June 1942 |
| 40 | | | From Bletchley Bletherings, June 1942 |
| | Wren | Bishop | A girl who was seeing an American officer. |
| 41 | | | From Bletchley Bletherings, June 1942 |
| | Maurice | | Harry's cousin. |
| | Mr. | Scopelli | Harry's acquaintance. |
| 49 | Joan | Clarke | English cryptanalyst and numismatist. |
| | Rolf | Noskwith | A cryptographer at the Bletchley Park British military base. |
| 52 | A.E. | Housman | British classical scholar and poet. |
| 53 | | | From Bletchley Bletherings, November 1943 |
| | Ian | Graham | A journalist. |
| | Dame Myra | Hess | British pianist. |
| 54 | W. | Breisbach | Osla's acquaintance. |
| 57 | | | From Bletchley Bletherings, March 1944 |
| | George | | Philip's cousin. The King of Greece. |
| | Marina | | Philip's cousin. |
| | Albert | | Prince of Consort. Queen Victoria's husband. |
| 58 | | | From Bletchley Bletherings, April 1944 |
| | Robbie | Blaine | Sheila's acquaintance. |
| | Keith | Batey | British cryptographer. |
| | Valerie | Glassborow | Kate Middleton's grandmother. aka: Val. |
| 63 | Claire | | Beth's co-worker. |
| | | | Nine Days Until The Royal Wedding November 11, 1947 |
| 69 | | | Inside the Clock |
| | Lucy 2 | | Mab's daughter. |
| | Mike | Sharpe | Mab's second husband. |
| 70 | Dr. | Seton | Beth's physician. |
| 71 | Ingrid | Bergman | Swedish actress. |
| 73 | Mrs. | Riley | One of Beth's married sisters. |
| | Mrs. | Chadwick | One of Beth's married sisters. |
| 74 | Rowe | | A matron in the asylum. |
| | | | Five Days Until The Royal Wedding November 15, 1947 |
| 80 | Cohen | | Harry's friend. |
| 81 | Asa | | A BP worker. |
| 84 | L. Frank | Baum | American children's writer, editor, journalist, screenwriter. |
| 85 | | | Secret: Intended Recipient Eyes Only 21 December 1947 |
| | Isaac | Newton | English mathematician, physicist, astronomer, theologian. |
| | Hercule | Poirot | A fictional Belgian detective by Agatha Christie. |
| Epi | | | Duchess of Cambridge Reopens Bletchley Park June 2014 |
| | Kate | Middleton | Duchess Of Cambridge. |
| | Alexander | McQueen | British fashion designer and couturier. |