•
James Turner also known as
Captain Flint or
Uncle Jim — the well-travelled brother of Mrs Blackett and therefore uncle to Nancy and Peggy Blackett, by whom he is considered "unfriendly" at the beginning of
Swallows and Amazons. He is given his nickname by the Walker family (the Swallows) after
Captain Flint of
Treasure Island. After differences are resolved he becomes the closest adult ally to the Swallows and the Amazons and joins them in many adventures. •
Molly Blackett (real name: Mary) — mother of Nancy and Peggy Blackett (
Peter Duck is dedicated to Mrs Robert Blackett and Mrs E.H.R. Walker) •
Mrs Walker — called
Mother (or
Mary by Ted) — mother of the Swallows. Australian by birth, she gives her children more freedom than was common at the time. •
Cdr Walker — called
Daddy ('Ted' by Mrs Walker/Mary) — father of the Swallows and sender of the famous telegram "Better drowned than duffers if not duffers won't drown" •
Professor and Mrs Callum — parents of the Ds; Prof Callum is an archaeologist •
Jim Brading — owner of the
Goblin in ''
We Didn't Mean To Go To Sea which he lends to Cdr Walker in Secret Water'' •
Timothy Stedding — friend of Captain Flint, originally known as
Squashy Hat the rival prospector in
Pigeon Post •
Dr Dudgeon, Mrs Dudgeon, and "our baby" — Tom's family •
A.P — Mr Farland, Port and Starboard's father, the "Aged Parent" and neighbour to Dr Dudgeon. A widower, he works as a solicitor in
Norwich. Not named in the book, but is addressed as "Frank" in
the movie. •
Mrs McGinty — Housekeeper to Mr. Farland. A kind, caring, but rather no-nonsense lady, she expresses quiet disapproval regarding the twins' often racing off to partake of their tomboyish adventures instead of performing more household chores or being home in time for meals. •
Mrs Barrable — Custodian of the
Teasel. The children decide to make her "Admiral" of the "fleet" consisting of the
Teasel and the
Titmouse. •
Jim Wooddall — skipper of
Sir Garnet the fastest wherry on the Bure. Port and Starboard work their passage (peeling potatoes) when Sir Garnet is late with her tide and is thus able to give them a lift down to Yarmouth. •
The Billies — Old Billy and Young Billy, father and son charcoal burners, who befriend the Swallows in
Swallows and Amazons and Young Billy treats Roger for his sprained ankle in
Swallowdale. Young Billy is over 70 and Old Billy is 94. •
Mr & Mrs Jackson — farmers at
Holly Howe, the Swallows' initial holiday location. They own the
Swallow •
Mr & Mrs Dixon — farmers at ''Dixon's Farm
, where the Swallows often go for milk, and where Dick and Dorothea stay during Winter Holiday''. Mrs Dixon was nurse to Dick and Dorothea's mother when she was young. She is famous for her pork pies and also makes
toffee and fudge. •
Silas — cowhand at ''Dixon's Farm
, where the Swallows often go for milk, and where Dick and Dorothea stay during Winter Holiday''. Silas and Mr Dixon make the Ds' sledge following the rescue by Dick of the cragfast sheep. •
Mr & Mrs Swainson and Mary Swainson (their granddaughter) — Farmers at ''Swainson's Farm
where the Swallows go for milk when shipwrecked in Swallowdale
; Neddy who is 90 sings them a song. Mrs Swainson is famous for patchwork quilts (mentioned in Swallowdale
and in Winter Holiday''). Mary darns Roger's shorts after he has slid down the Knickerbockerbreaker in
Swallowdale. She also rows the Great Aunt, Miss Maria Turner, over to Captain Flint's houseboat on her way to the railway station for her holiday in
The Picts and the Martyrs. •
Jacky Warriner — farmer's son met briefly by Roger & Titty in
Swallowdale, in
The Picts And The Martyrs he brings milk for the Ds, lends them his saw which they find in the Dogs Home, shows them how to store milk under a stone covering a scooped-out hollow in moss, teaches them to guddle trout in the beck, and also gives them a rabbit and an onion. •
Mrs Tyson and her son Robin — In
Pigeon Post; she is apprehensive about fires and they are glad to escape from ''Tyson's Farm'' to the campsite by the spring (Titty's Well). Robin lends them a crowbar for the sinking of the well. •
Mrs M. Braithwaite — usually called
Cook — cook to the Blackett family. •
Mr Tedder properly
PC Tedder — the local policeman who Mrs. Barrable befriends. ==Other friendly characters==