A circus barker stages a sensational new act, the world's longest fast undertaken by “Sapolio”, on view in a glass cage. But this act also results in several murders, a kidnapping, and a poisoning!

John Ireland
as Pel Pelham

Honor Blackman
as Jenny Pelham

Geoffrey Keen
as Harry Stanton

Eric Pohlmann
as Henri Sapolio

Sidney James
as Tony Lewis

Liam Redmond
as Inspector Lindley

Tonia Bern
as Rena Maroni

Sydney Tafler
as Rorke

Ferdy Mayne
as Bertie

Valerie Vernon
as Bella
John Chard
Pel Pelham Opening Soon With Starving Man Act. The Glass Tomb (AKA: The Glass Cage) is directed by Montgomery Tully and adapted to screenplay by Richard Landau from the story The Outsiders written by A. E. Martin. It stars John Ireland, Honor Blackman, Geoffrey Keen, Eric Pohlmann, Sid James and...
CinemaSerf
Eric Pohlmann is "Sapolio", quite a large fellow who declares that he is going to have himself locked in a glass room for 70 days without food. Can he survive? Well it turns out, in this short thriller, that he might be a damn sight safer than some of those outside - as murder is afoot. "Pel" (John ...