Caspar’s first contact (who is given the name James Wilson) is challenged
at archery this time before being shot with an arrow.
The man with Caspar at the start (who is given the name Dan Fletcher)
later gets interrogated.
Izzy Pound is located at a fairground rather than a quarry and, having a
talking part, plays a role in tracing Caspar. His tip allows Steed to take
Mrs. Peel to lunch at 'The Green Pheasant’ where Caspar arrives. In the TV
version, he arrives at Steed's flat.
Col. Mannering only threatens to make a fake call to Mother while duping
The story ends by adjourning to the bar without the last TV scene.
In Episode One, Mrs. Peel says Jasper
initially, instead of Caspar.
Mother has no assistant Rhonda, so Steed wheels Izzy’s corpse into the
Mrs. Peel picks the lock at Minnow’s
apartment instead of breaking a window.
Caspar releases the homing pigeon from his
kitchen instead of from his car.
There are many references in the radio
version to English places such as Salisbury, Oxon, Battersea Park and
Towards the end, Mrs. Peel tries to charm a
guard with "Don’t be such a silly soldier!"
In addition to the Friday evening episode (Episode Six), the following
Monday's concluding episode also carries a 'Friday-style' credit announcement, presumably because it was the last
installment of the serial.
by Ron Geddes