Emergency Call, released in the US as The Hundred Hour Hunt, is a 1952 British drama film directed by Lewis Gilbert and starring Jack Warner, Anthony Steel, Joy Shelton and Sid James.

The three donors are each from very different backgrounds, a white boxer, a black sailor, and finally a murderer who has been on the run from the police for a number of years.

[6] The Monthly Film Bulletin wrote: "The usual demands of a thriller seldom exceed a logical, yet sufficiently involved plot, told with economy, swiftness and the use of a natural crescendo of excitement.

Slick production and good photography, however, do not excuse the stereotyped characterisation, which is particularly trite and objectionable in the case of Anthony Steel and Joy Shelton.

"[10] Leslie Halliwell said: "Now a boringly predictable collection of mild anecdotes, but then rather a smart idea, much better executed than one would normally expect from Britains's Poverty Row.