Dr. Tom 'Ramar' Reynolds (52 episodes, 1953-1954)
Professor Howard Ogden / Prof. Howard Ogden (48 episodes, 1953-1954)
Willy-Willy (23 episodes, 1953)
Zahir (12 episodes, 1953-1954)
Charlie (13 episodes, 1953-1954)
Trudy Van Dyne (7 episodes, 1953-1954)
Peter Van Dyne (6 episodes, 1953-1954)
Chaba (5 episodes, 1953-1954)
Carl Hasick / Jeff Roper / Jeff Sharp / Rodney Douglas (4 episodes, 1953)
Chief Matuma / Gorubaga, Witch Doctor / Memba / Naba (4 episodes, 1953)
Chief Bolla / Chief Noahmockau / Malabar / Ogomis Chief (4 episodes, 1953-1954)
Dr. Arlington / Prof. Joshua Loring (3 episodes, 1953-1954)
Crisandi - The Healer / Maharajah / Max Kruger (3 episodes, 1953-1954)
Wilkins / Maxwell Garner (3 episodes, 1953-1954)
Phillip Dexter / Charles Mitchell (3 episodes, 1953-1954)
Avia / High Priest / Lou Jensen (3 episodes, 1953-1954)
Bellows / John Hobart / Peters (3 episodes, 1953-1954)
The White Goddess (3 episodes, 1953)
Big Boy / Chief Naruma / Na-Hoo (3 episodes, 1953)
Matuwa / Chief Mucumba (3 episodes, 1953)
Lydia Webley (2 episodes, 1953)
Nancy Arlington (2 episodes, 1953)
Dick Webley (2 episodes, 1953)
Dr. Kallen / Thurston Blake (2 episodes, 1953)
Cormanali / Rod Blake (2 episodes, 1953-1954)
Danforth (2 episodes, 1953)
Chief Gonowa / Nagoma Chief (2 episodes, 1953-1954)
Chief Nagula / Chief Ratambo (2 episodes, 1953)
Witch Doctor (2 episodes, 1953-1954)
Chunga / Hamu (2 episodes, 1953)
Najia - Shanda's Bride / Vinali (2 episodes, 1954)
Amanar / Sobermorte, High Priest (2 episodes, 1953-1954)
Corlo, Drake's Guide / Temwa (2 episodes, 1953)
Bruxton / Commandant Derek Curtis (2 episodes, 1953-1954)
Chief Talima / Chief Walarah (2 episodes, 1953)
Jack Galvin (2 episodes, 1953)
Jerry Fenwick / Mendoza (2 episodes, 1953)
Pisano Chief (2 episodes, 1953)
Minony (2 episodes, 1953)
Corla / Dr.Bundahandi (1 episode, 1954)
Chief (1 episode, 1953-1954)
Donna Sharp (1 episode, 1953)
Mailpouch (1 episode, 1953)
Teesa (1 episode, 1953)
Joe (1 episode, 1953)
Curtis (1 episode, 1953)
May Mitchell (1 episode, 1953)
Joe Gordon (1 episode, 1953)
Dr. Mark Renart (1 episode, 1953)
Pat Bennett (1 episode, 1953)
Prof. Pomroy (1 episode, 1953)
Jack Conway (1 episode, 1953)
Yvette Gunther (1 episode, 1953)
Anya Tilson (1 episode, 1953)
Helen Trowbridge (1 episode, 1953)
Bernice Hobart (1 episode, 1953)
Carothers (1 episode, 1954)
Diane Chandler (1 episode, 1953)
Nancy Barton (1 episode, 1953)
Henry Sprague (1 episode, 1953)
Pete Rambo (1 episode, 1953)
Coleburg (1 episode, 1953)
Armand Gunther (1 episode, 1953)
Carl Mitchell (1 episode, 1953)
Linda Gordon (1 episode, 1953)
Laura Hasick (1 episode, 1953)
Laura Sands (1 episode, 1953)
Ronald Martin (1 episode, 1953)
Winfield Clemens (1 episode, 1954)
Priest of Kaali (1 episode, 1954)
Jack O'Malley (1 episode, 1954)
Weatherford (1 episode, 1954)
Sikh (1 episode, 1954)
Seely (1 episode, 1953)
Kirk Newsom (1 episode, 1953)
Chief Warren (1 episode, 1953)
Maharajah (1 episode, 1953)
Henri Leopold (1 episode, 1953)
Dan Wales (1 episode, 1953)
Prof. Gordon Drake (1 episode, 1953)
Charlie Burton (1 episode, 1953)
The Chief's Brother (1 episode, 1953)
Sabata (1 episode, 1953)
Ocomu (1 episode, 1953)
Irene Loring (1 episode, 1954)
Wadamorte (1 episode, 1954)
Davis (1 episode, 1954)
Myra Mitchell (1 episode, 1954)
Dr. Nijib (1 episode, 1954)
High Priest (1 episode, 1954)
Harris (1 episode, 1954)
Dworka (1 episode, 1954)
Bart Craven (1 episode, 1953)
Carson (1 episode, 1953)
Nelson Vail (1 episode, 1953)
Guru (1 episode, 1953)
Umslaga, Witch Doctor (1 episode, 1953)
Jemma (1 episode, 1953)
(1 episode, 1953)
Mary (1 episode, 1954)
Noreen Clemens / Vonte (1 episode, 1954)
Marguran (1 episode, 1954)
Babour - Najia's Father (1 episode, 1954)
Constable Singh (1 episode, 1954)
Botu (1 episode, 1954)
Cholie (1 episode, 1953)
Mickey Atkins (1 episode, 1953)
Katano (1 episode, 1953)
Catrack (1 episode, 1953)
Steve Bennett (1 episode, 1953)
Sabata's Father (1 episode, 1953)
Chief Sinu (1 episode, 1953)
Luku - Head Porter (1 episode, 1953)
Matua (1 episode, 1953)
Jason Reed (1 episode, 1953)
Police Captain (1 episode, 1954)
Arama (1 episode, 1954)
Surato (1 episode, 1954)
Chief Satuma (1 episode, 1953)
Sam Case (1 episode, 1954)
Villager / Cobra Show Spectator / Native (uncredited) (4 episodes, 1953-1954)
Villager / Native (uncredited) (4 episodes, 1953)
Follower / Native (uncredited) (2 episodes, 1954)
Henchman (uncredited) (1 episode, 1953)
Villager (uncredited) (1 episode, 1953)
Niijib Helper (uncredited) (1 episode, 1954)
Native (uncredited) (1 episode, 1954)
Henchman (uncredited) (1 episode, 1954)
Villager (uncredited) (1 episode, 1954)