Haze Diemel Jr.'s family is from the Wolf River region of Wisconsin. His grandfather, Herman Diemel, established the family’s presence in the area, initially utilizing the land for gardening and farming. Haze Sr. established a tavern there in 1932. Haze Jr. grew up on the family farm, which included cultivated land and woodland and participated in traditional fishing practices from an early age. Haze Jr. continued the family tradition of sturgeon fishing, a practice that spanned multiple generations.

Ken Corbett served as a state warden, with significant contributions to law enforcement and conservation efforts in Wisconsin. He began his career as the first warden in Clinton, Ohio, where he established a reputation for integrity and dedication. Corbett's tenure was marked by his involvement in various law enforcement activities, including addressing illegal activities and maintaining public order. He worked under notable figures such as O.K. Johnson and others in law enforcement.

Mike Will was born in 1951 and started sturgeon fishing at the age of 14. He used primarily set lines to catch sturgeon although he has participated in approximately 9 spearing seasons. He enjoys caviar, but does not make it himself. Mike believes that the sturgeon are getting bigger, and he likes the system they have in place now. Most people from his area sell the sturgeon, rather than eat it themselves.

Ronald Bruch was born and raised in Milwaukee, Wisconsin. He spent his summers in Ashland County, Wisconsin, where he developed a keen interest in sturgeon and other fish species in the Flambeau River. Bruch attended the University of Wisconsin-Stevens Point, earning his bachelor's degree in fisheries. He earned his master's degree and worked towards a Ph.D. at the University of Wisconsin-Milwaukee. Bruch began his professional career with the Wisconsin Department of Natural Resources (DNR) in 1976.

Russell Collar, a lifelong resident of Shiocton, Wisconsin, has a deep-rooted connection to the sturgeon fishing tradition of the region. His family settled in the area several generations ago, moving from Hortonville to Stephensville before establishing their home in Shiocton. Collar grew up immersed in the fishing culture, acquiring skills and knowledge from his father, who was an avid fisherman. Collar served in the military during World War II, stationed in Japan, and returned to settle back in Shiocton, where he continued the fishing traditions.

Serge Doroshov is an expert in aquaculture, particularly known for his contributions to sturgeon research. He began his career in the Soviet Union, where he gained second-hand experience in sturgeon culture through interactions with a well-known sturgeon culturist. In 1977, Doroshov relocated to the United States, initially lecturing at the University of Washington. In 1979, he secured a position at the University of California, Davis, where he commenced his work in aquaculture.

Todd Schaller, Convservation Warden Supervisor in Oshkosh, is interviewed by Kathleen Schmitt Kline regarding his involvement with the Sturgeon Guard program and public attitudes toward sturgeon due to Sturgeon for Tomorrow.

Vern Gebhart and his wife, Karla, talk about their history with sturgeon spearing. He tells stories about close calls on thin ice, the amount of sturgeon fishermen increasing, and the changes in the equipment used. Vern also discusses decoy carving with the interviewers, Ronald M. Bruch and Kathleen Schmitt Kline.

William Casper was born in Wisconsin and grew up in a rural area near Lake Winnebago. He developed an interest in fishing at a young age, encouraged by his uncles. Casper's career began at Giddings & Lewis, a machine shop in Fond du Lac, where he worked as a machinist and eventually became a maintenance foreman. His passion for fishing, particularly sturgeon spearing, led him to become an advocate for the conservation of the species.