- HD 1080
- Runtime: 57m.
- Status: Released
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- Languages: en
- Country: United States of America
- Director: Edward L. Cahn
- Stars: John Howard, Joan Dixon, Walter Kingsford, Lynne Carter, Robert Shayne
- keywords: prisoner, alcatraz prison, drug testing
- Production_studio: Crystal Productions, RKO Radio Pictures
- Slogan: Radioactive-drug test an alibi for murder!
- The Experiment Alcatraz is featured in the top rankings of 1950
- #28 in Top Crime Movies of 1950
A doctor testing drugs on convicts gets mixed up in a murder investigation.