Overview
After training at the dolphin reconnaissance school, the dolphin Tristan was sent on an important mission to a secret military base of the USSR to obtain information about the Russians' new strategic weapon - a submarine that transforms into an airplane. After receiving a message that an unidentified object was discovered in Soviet territorial waters, moving towards a secret base, the Soviet command ordered to urgently send an experienced special agent, the dolphin Isolde, to intercept it.
| Actor | Age then | Age now | |
|---|---|---|---|
 | 55 | 90 | |
 | 34 | 68 | |
 | 46 | August 17, 2024 (79) | |
 | 57 | August 20, 2009 (75) | |
 | 48 | July 27, 2002 (59) | |
 | 47 | 81 | |
 | 70 | June 12, 1990 (69) | |
 | 53 | 88 | |
 | Vladimir Prokhorov John / Kremer / terrorist / captain / Morzhov / Yellow (voice) Birthday: December 27, 1927 | 63 | August 27, 1999 (71) |
 | 64 | May 24, 1991 (65) |