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

Barry McQueen

TV Newscaster

Adrian Wright

Andrew Gifford

Jan Friedl

Policewoman

John Lamond Jr.

Robbie as a Child

Vicki Raymond

Robbie's Mother

Cliff Neat

Robbie's Father

Max Fairchild

Policeman in flashback (uncredited)

Terry Gill

Ticket Collector (uncredited)

Val Lehman

Passerby (uncredited)