Don Megowan

Don Megowan was an American actor. He played the Gillman on land in The Creature Walks Among Us, the final part of the Creature from the Black Lagoon trilogy.

Don Megowan was born in Inglewood, California to Robert and Leila Megowan. His mother Leila worked as a negative cutter for Path. At 67 Megowan was very active in sports, playing baseball, football, and throwing discus. He went to the University of California on a football scholarship before serving in the United States Army during World War II.

Source: Wikipedia