Casper was raised in the home of his parents in rural Orrin and received his elementary education in a nearby country school.  Following school, he worked on the family farm and assisted the county surveyor until old enough to join the rail gang with the Burlington Northern Railroad.  He worked the rail lines for a few years before being laid off during a slow period.  At this time, Casper was inducted into the U.S. Army in January of 1962.  While in the Army, Casper received his GED Certification and served as an artillery surveyor.  He was honorably discharged on December 6, 1963 and continued in the Army Reserve until January of 1968.  On May 6, 1968, Casper was united in marriage to Theresa Selensky at Little Flower Catholic Church in Rugby, North Dakota.  Following their marriage, the couple made their home in Rugby.  Casper rejoined the Burlington Northern Railroad following his discharge from service and remained with them until retiring in February of 1999, a total of 43 years with the railroad. 

Casper was a member of Little Flower Catholic Church in Rugby and a former member of the Knights of Columbus.  He enjoyed carpentry, woodworking, fishing, playing bingo and cards and was an avid Minnesota Twins fan.

He is survived by his wife, Theresa; one daughter, Patty and her husband, Steve Denn of Tioga; a grandson, Mike Denn and his wife, Stephanie of Minot; sisters, Christine Hagen and Rose (Bob) Monroe, all of Conrad, MT and Marge DeVoogdt of Devils Lake; brothers, Pete and Leo of Cut Bank, MT and Louie (Hanna) of Brady, MT; many nieces, nephews, other relatives and friends.  He was preceded in death by one son in infancy, John; two sisters, Anna Adam and Katherine Gilderhus; one brother, John; and his parents.