George Mallaby
— Robert Gifford
John Waters
— Mark Gifford
Ken Goodlet
— Supt. Cheadle
Delvene Delaney
— Janine Talbort
Charles Tingwell
— Dr. Fairburn
Belinda Giblin
— Margaret Gifford
Robert Hewett
— Sgt. Robinson
Kevin Miles
— Charlie Bricknall
Walter Pym
— Stanley Lipton
Sheila Florance
— Mavis Lipton
Reg Gorman
— TV Reporter
Elspeth Ballantyne
— Welfare Officer