Writing Credits (in alphabetical order)
| Michael Barry | ... | (adapted for television by) |
| Charles Terrot | ... | (play) |
Cast (in credits order)
| Anthony Sharp | ... | Lt. / Commander Peter Colebrook | |
 |
Lesley Brook | ... | Jill Colebrook |
| Charles Victor | ... | Dodge | |
|
|
H.G. Stoker | ... | Dr. Lane |
|
|
Julian D'Albie | ... | Mr. Fenning |
| Richard Hurndall | ... | Machine operator | |
|
|
Norman Caro | ... | Price |
|
|
T.H. Harvey | ... | The Biscuit Man |
|
|
Leo de Pokorny | ... | Film Director |
| Rest of cast listed alphabetically: | |||
|
|
Oliver Burt | ||
|
|
Dodd Mehan | ... | (as D.A. Mehan) |
|
|
Margaret Young | ||
Produced by
| Michael Barry | ... | producer |
