Bob Hastings
Lt. Elroy Carpenter (141 eps)
Ernest Borgnine
Quinton McHale (138 eps)
Joe Flynn
Captain Wallace B. Binghamton (138 eps)
Tim Conway
Ensign Charles Parker (138 eps)
Carl Ballantine
Lester Gruber (138 eps)
Gary Vinson
George Christopher (138 eps)
Billy Sands
'Tinker' Bell (138 eps)
Edson Stroll
Virgil Edwards (138 eps)
John Wright
Willy Moss (138 eps)
Yoshio Yoda
Fuji Kobiaji (138 eps)
Gavin MacLeod
Happy (138 eps)
Herbert Lytton
Admiral Reynolds (11 eps)
Jean Hale
Mimi St. Clair (2 eps)
Don Kennedy
The 2nd Sailor (1 eps)
Marissa Mathes
Sofia (1 eps)
Bronwyn FitzSimons
Nurse Loretta (1 eps)
Teddy Rooney
Bruce Hanson (1 eps)
Barry Brooks
The Gambler (1 eps)
Marian Collier
Peggy Tyler (1 eps)
Gene Tyburn
Pilot No. 2 (1 eps)
Read Morgan
The Marine Sergeant (1 eps)
John Nolan
The 2nd Sailor (1 eps)
Mike Farrell
The Gunner (1 eps)
Julie Bennett
Nippon Nancy (voice) (1 eps)
Noel Drayton
Lt. Commander Forbes (1 eps)
Arte Johnson
Sweeney (1 eps)
Robert Kino
The 2nd Japanese Soldier (1 eps)
Don Barry
Capt. Kittridge (1 eps)
Raquel Welch
Lt. Wilson (1 eps)
Don C. Harvey
Congressman Joymer (1 eps)
Fay DeWitt
Frances (1 eps)
Gary Owens
The Photographer (1 eps)
Marvin Kaplan
Kwazniak (1 eps)