| Episode cast overview, first billed only: |
 | Jack Warden | - | Maj. Simon Butcher |
 | Gary Collins | - | Lt. Rip Riddle |
 | Mike Kellin | - | CPO Willie Miller |
 | Rudy Solari | - | Gunner's Mate Sherman Nagurski |
 | Don Penny | - | Ship's Cook Charles Tyler |
 | Mark Slade | - | Radioman Patrick Hollis |
 | Fred Smoot | - | Machinist's Mate Seymour Trivers |
| Charles Irving | - | Admiral Beckett |
 | Joe Turkel | - | George (as Joseph Turkel) |
 | James Hong | - | Migura |
 | Marc Cavell | - | Feliz (as Butch Cavell) |
| Lawrence Mann | - | Hank |
 | Jerry Fujikawa | - | Lt. Hishu (as Jerry Fugikawa) |
| Robert Ball | - | Prisoner #1 |
| Scott Hale | - | Joe |
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