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 Count Ferdie Staglione 1 guest appearances Bellini 1 guest appearances Julietta 1 guest appearances Croupier 1 guest appearances Betty Harmon 1 guest appearances Noah Grafton 1 guest appearances George W. Penfield 1 guest appearances Left-Handed Man 1 guest appearances Angie 1 guest appearances Cabrillo 1 guest appearances Tippy Penfield 1 guest appearances General Reed Michaels 1 guest appearances General Hobson 1 guest appearances Dr. Anthony Sterling 1 guest appearances Cara Sloan 1 guest appearances Everett Lang 1 guest appearances Admiral Connors 1 guest appearances Su Yin 1 guest appearances Premier 1 guest appearances Hansen 1 guest appearances ⇤ « 4 5 6 7 8 9 10 11 12 13 » ⇥