Farnham Baxter as Nick Allan

Cyril Chamberlain as Editor

Sydney Bromley as Professor Corkew

Gale Douglas as

Veronica Rose as

Michael Ripper as

Mackenzie Ward as

Patricia Hicks as

Joyce Linden as

Charles Stuart as

Gerald Pring as

Roy Russell as

Anthony Holles as

David Keir as

Frank Forsyth as

Rory McDermott as

Joanna Carter as

Roddy Hughes as (uncredited)