England, World War II. Quint Munroe, RAF officer and new leader of a Mosquito squadron, is tasked with destroying a secret Nazi base in France while trying to overcome the disappearance of a brother-in-arms.
| Actor | Role |
|---|---|
 David McCallumQuint Monroe | Quint Monroe |
 Suzanne NeveBeth Scott | Beth Scott |
 Charles GrayAir Commodore Hufford | Air Commodore Hufford |
 David BuckSqn. Ldr. David Scott (Scotty) | Sqn. Ldr. David Scott (Scotty) |
 David DundasFlt. Lieut. Douglas Shelton | Flt. Lieut. Douglas Shelton |
 Dinsdale LandenWing Commander Penrose | Wing Commander Penrose |
 Nicky HensonFlt. Sgt. Wiley Bunce | Flt. Sgt. Wiley Bunce |
 Bryan MarshallSqn. Ldr. Neale | Sqn. Ldr. Neale |
| MMichael AnthonyFather Bellague | Father Bellague |
 Peggy Thorpe-BatesMrs. Scott | Mrs. Scott |
 Peter CopleyMr. Scott | Mr. Scott |
 Vladek SheybalLieutenant Schack | Lieutenant Schack |
| MMichael McGovernFlt. Lieut. Bannister | Flt. Lieut. Bannister |