Main Characters
Dr. Marsh Tracy
7 main appearances
Paula Tracy
5 main appearances
Mike Makula
6 main appearances
Jack Dane (1966–1968)
6 main appearances
Recurring Guest Characters
Paula Tracy
2 guest appearances
Sergeant Motabu
1 guest appearances
Natoma
1 guest appearances
Chief Makubu
1 guest appearances
Kima
1 guest appearances
Professor Walpole
1 guest appearances
Tommy Butler
1 guest appearances
Roger Ealing
1 guest appearances
Sean Murphy
1 guest appearances