- Ivan Samson - Major Murray
- Bruce Seton - Bill Bryant
- Leo de Pokorny - Dr. Steiner
- Michael Brennan - Hammond
- Joseph O'Conor - Inspector Crane
- Shaym Bahadur - Rikki
- Gerald Rex - Ernie
- Ben Williams - Mr. Weston
- Anne Hayes - Celia Hardwick
- Peter Butterworth - Post Office Engineer
- Hamilton Keene - An Interested Visitor
- Frederick Morant - Doctor
- Jean Packer - Nurse
- Dennis Val Norton - 1st Gangster
- Michael Hogarth - 2nd Gangster
-
Maclean Rogers
-
A.R. Rawlinson
-
Ernest G. Roy
Capítulo disponible en las siguientes plataformas: