 | Marc Di Napoli
Doniphan Weldon, Lord Bachanan's nephew |
 | Didier Gaudron
Briant |
 | Dominique Planchot
Gordon |
 | Franz Seidenschwan
Dick Sand, le mousse du Sloughi (Sloughi ship's boy) |
 | Werner Pochath
Edward Forbes |
 | Rainer Basedow
Joshua Pike |
 | Constantin Baltaretu
O'Brian, Sloughi's seaman |
 | Michael Berechet
Capt. Hull, Sloughi's Captain (as Mihai Berechet) |
 | Aurel Giurumia
Witherspoon, cuisinier du Sloughi / Sloughi's Cook |
 | Constantin Nedelcu
Baxter |
 | Cristian Sofron
Service |
 | Constantin Barbulescu
Lord Edward Buchanan, Sloughi Owner |
 | Constantin Diplan
Tom, Sloughi's seaman |
 | Dan Nasta
Le survivant sur l'ile / Island Survivor |
 | Horia Pavel
Wilcox |
 | Bogdan Untaru
Iverson |
 | Stefan Cristea
Garnett |
 | Nucu Paunescu
Walston |
 | Marius Pepino
Foster |
 | Angela Chiuaru
Ellen Weldon, Doniphan's mother |
 | Matei Alexandru
Cooper |
 | Corneliu Gîrbea
Forbes' Henchman |
 | Sever Plocon
Forbes' Henchman |
 | Liviu Craciun
Police Official at Auckland Harbour |
 | Dorin Dron
Mr Chairman |
 | Unknown30805-2
Police Commissioner at Auckland Harbour |
 | Unknown30805-3
Mr Stiggins, Prof at Chairman College |
 | Unknown30805-4
Lions Inn Waitress |
 | Unknown30805-5
Sloughi's seaman #1 |
 | Victor Mavrodineanu
Sloughi's seaman #2 |
 | Unknown30805-7
Sloughi's seaman #3 |
 | Unknown30805-8
Sloughi's seaman #4 |
 | Unknown30805-9
Seaman in Tavern |
| Hans Kraus
Captain Ackerby |
| Adrian Mihai
(4 episodes, 1974) |