Main Characters Admiral Harriman Nelson 110 main appearances Captain Lee Crane 110 main appearances Chip Morton 62 main appearances Kowalski 56 main appearances Chief Francis Ethelbert Sharkey 46 main appearances Patterson 31 main appearances Sparks 21 main appearances Chief Curley Jones 8 main appearances Seaview Doctor 10 main appearances Seaman Stu Riley 6 main appearances Johnson Lola Hale 1 main appearances
Recurring Guest Characters Chip Morton 10 guest appearances Kowalski 9 guest appearances Chief Francis Ethelbert Sharkey 1 guest appearances Patterson 6 guest appearances Sparks 1 guest appearances Chief Curley Jones 7 guest appearances Seaview Doctor 3 guest appearances Riley 3 guest appearances Guard 3 guest appearances TBD 3 guest appearances Crew Member 3 guest appearances O'Brien 3 guest appearances Crewman 3 guest appearances Mr. Pem 2 guest appearances Johnson 1 guest appearances Corpsman 2 guest appearances President Henry Talbot McNeal 2 guest appearances Dr. Gamma 2 guest appearances Scientist 2 guest appearances Chairman 2 guest appearances ⇤ « 1 2 3 4 5 6 7 8 9 10 » ⇥