Patrick McGoohan as Dr. Christopher Syn / The Scarecrow

George Cole as Mr. Sexton Mipps / Hellspite

Tony Britton as Simon Bates

Michael Hordern as Squire Thomas Banks

Geoffrey Keen as General Pugh

Kay Walsh as Mrs. Waggett

Eric Pohlmann as King George III

Patrick Wymark as Joseph Ransley

Alan Dobie as Mr. Frank Fragg - Prosecutor

Sean Scully as John Banks / The Curlew

Eric Flynn as Lt. Philip Brackenbury

David Buck as Harry Banks

Percy Herbert as Dover Castle Jailer

Robert Brown as Sam Farley

Jill Curzon as Katharine Banks

Mark Dignam as The Bishop

Gordon Gostelow as Ben

Bruce Seton as Beadle

Allan McClelland as 2nd Jailer

Richard O'Sullivan as George Ransley

Simon Lack as Dragoon Corporal

Elsie Wagstaff as Mrs. Ransley