Farnham Baxter

Nick Allan

Cyril Chamberlain

Editor

Sydney Bromley

Professor Corkew

Gale Douglas

Veronica Rose

Michael Ripper

Mackenzie Ward

Patricia Hicks

Joyce Linden

Charles Stuart

Gerald Pring

Roy Russell

Anthony Holles

David Keir

Frank Forsyth

Rory McDermott

Joanna Carter

Roddy Hughes

(uncredited)