Long suspected of possessing an intelligence that rivals a human's, the dolphin has proved especially apt at making strides with autistic children and soothing cancer patients throughout their treatment. In this fascinating documentary program, actors Mariette Hartley and Brion James dive below the surface of what we think we know about dolphins to reveal some thought-provoking theories about the animals' healing abilities.
| Actor | Role |
|---|---|
 Mariette HartleyNot listed | Not listed |
 Brion JamesNot listed | Not listed |