Main Characters
Fredrica Smith
5 main appearances
Maggie Forbes
6 main appearances
Pru Standfast
5 main appearances
Nigel Beaumont
5 main appearances
Recurring Guest Characters
Fredrica Smith
1 guest appearances
Caldicott
1 guest appearances
Moll 3
1 guest appearances
Dr. Alston
1 guest appearances
Dr. Laird
1 guest appearances
Andrei Andreyev
1 guest appearances
Ryan
1 guest appearances
Ford
1 guest appearances
Lambert
1 guest appearances
Maguire
1 guest appearances
Steve Twolegs
1 guest appearances
Alan Dyer
1 guest appearances
Vic
1 guest appearances
Gonzo
1 guest appearances
Dr. Chalmers
1 guest appearances
Inspector Phelps
1 guest appearances
Skipper
1 guest appearances
Engineer
1 guest appearances
Malcolm Proby
1 guest appearances