| Name | Character | Episodes |
|---|---|---|
| Robert Shaw | Capt. Dan Tempest | 39 |
| Brian Rawlinson | Gaff Guernsay | 32 |
| Wilfred Downing | Crewman Dickon | 15 |
| Willoughby Gray | Pop | 10 |
| Alec Mango | Van Brugh | 9 |
| Neil Hallett | Petty Officer Bassett | 7 |
| Neil Hallett | Bosun Bassett | 7 |
| Brian Worth | Calico Jack Rackham | 3 |
| Andrew Crawford | Capt. Hornigold | 3 |
| Roger Delgado | Don Ferdinand Esteban | 2 |
| Joan Sims | Abigail | 2 |
| Jane Griffiths | Paula Meadows | 2 |
| Neil Hallett | Petty Officer Sam Bassett | 2 |
| Roger Delgado | Capt. Mendoza | 1 |
| Michael Golden | Capt. Barker | 1 |
| Stringer Davis | Admiral Bingham | 1 |
| Jane Asher | Jenny Purdy | 1 |
| Jane Asher | Girl | 1 |
| Robert Hardy | Lord Hinch | 1 |
| John Schlesinger | Pigtail | 1 |
| Marne Maitland | Turk | 1 |
| Andrew Keir | Laird McGregor | 1 |
| Colin Douglas | Capt. Tim De Groot | 1 |
| Colin Douglas | Purdy | 1 |
| Sid James | Chantey Jack | 1 |
| Richard Johnson | Pegleg | 1 |
| André Morell | Governor | 1 |
| Paul Eddington | Capt. La Forte | 1 |
| Earl Cameron | Sam | 1 |
| Bill Owen | Clip West | 1 |
| Ballard Berkeley | Rafton | 1 |
| Frederick Treves | Quetzl | 1 |
| Conrad Phillips | Sebastian | 1 |
| Wilfrid Brambell | Old Man | 1 |
| Yvonne Romain | Maria | 1 |
| Anthony Dawson | Captain Flask | 1 |
| Miles Malleson | Josiah Parkerhouse | 1 |
| Alfred Burke | Pirate Mate | 1 |
| Alfred Burke | Marsh | 1 |
| Eric Pohlmann | Capt. Hernandez | 1 |
| Adrienne Corri | Mistress Higgins | 1 |
| Alfie Bass | Sawney | 1 |
| Jack Hedley | Raikes | 1 |
| Richard Pasco | Rodriquez | 1 |
| Virginia Maskell | Rebecca Bradbury | 1 |
| Noel Purcell | Pat | 1 |
| Brian Rawlinson | Davies | 1 |
| Brian Rawlinson | Gaff Guernsey | 1 |
| Sarah Lawson | Lady Hilary Winrod | 1 |
| Robert Rietti | Capt. Philip Catalan | 1 |
| Willoughby Gray | Harris | 1 |
| Willoughby Gray | Man Shaving | 1 |
| Willoughby Gray | Bosun | 1 |
| Willoughby Gray | Old Pop | 1 |
| Hazel Court | Anne Bonney / Gentleman Jack | 1 |
| Tommy Duggan | Martin | 1 |
| Peter Bennett | Costellaux | 1 |
| Peter Bennett | Councilman Sikes | 1 |
| Peter Bennett | Joe Murchison | 1 |
| Derek Waring | George Bradbury | 1 |
| Alex Scott | Black Bart | 1 |
| Jane Griffiths | Ivy Van Brugh | 1 |
| Jane Griffiths | Paula | 1 |
| Patrick Jordan | Morgan | 1 |
| Patrick Jordan | Jamie | 1 |
| Brian Worth | Capt. Charles Vane | 1 |
| Ewen Solon | Spanish Admiral | 1 |
| Ewen Solon | Maj. Percy | 1 |
| Bruno Barnabe | Capt. Gomez | 1 |
| Anne Blake | Mrs. Wainwright | 1 |
| Neil Hallett | Hornigold | 1 |
| Neil Hallett | Barman | 1 |
| Neil Hallett | Pirate | 1 |
| Neil Hallett | Sgt. Sam Bassett | 1 |
| Brian Oulton | Maj. Langley | 1 |
| Danny Green | Noah | 1 |
| Edward Malin | Dawson | 1 |
| Edward Malin | Jenkins | 1 |
| Noel Davis | Jenks | 1 |
| Frank Singuineau | Chief | 1 |
| Ronan O'Casey | Understandable Perkins | 1 |
| Jean Cadell | Marquesa | 1 |
| Maxwell Shaw | Sharp | 1 |
| Max Faulkner | Guard | 1 |
| Max Faulkner | Servant | 1 |
| Oliver MacGreevy | Noll | 1 |
| Derek Nimmo | Lord Winrod | 1 |
| Seymour Green | Constable Herridge | 1 |
| John Harvey | Lawyer Fred Knox | 1 |
| John Harvey | Dougal | 1 |
| Dino Galvani | Dr. Francisco Gonzales | 1 |
| John Salew | Cookie | 1 |
| Walter Horsbrugh | Magistrate | 1 |
| Dennis Edwards | Guard | 1 |
| Dennis Edwards | Officer | 1 |
| Noel Hood | Governor's Wife | 1 |
| Wilfred Downing | Dickon, the Wasp | 1 |