Casper, a multifaceted general purpose actor, was a staple on television from the early 1960s to the late 1980s.
Following his high school graduation, Casper joined a traveling children's theatre troupe, developing his craft and honing his skills.
In 1942, he was drafted into the U.S. Army and served in India, Burma, and China, where he refined his performance abilities during his downtime.
Upon his discharge, Casper attended the Goodman Theatre School in Chicago, further perfecting his craft, and went on to perform on and off-Broadway.
To supplement his income, Casper worked as a waiter at various New York restaurants during the 1950s and 1960s.
In the late 1950s, he settled in North Hollywood and began appearing in early anthology television series.
Casper's cinematic credits were limited to a couple of films: Studs Lonigan (1960) and The Right Approach (1961),in which he played a short-lived friend and an aspiring set designer, respectively.
For the most part, his acting career was confined to television, where he made appearances in popular prime-time shows such as Perry Mason (1957),Batman (1966),Mannix (1967),Kolchak: The Night Stalker (1974),and Simon & Simon (1981),playing a diverse range of characters, including teachers, professors, lawyers, and maitre D's.
He also enjoyed recurring roles in Room 222 (1969) and Mary Hartman, Mary Hartman (1976),playing a cyptozoologist.
Casper retired from acting in 1990, dedicating his private life to his love of reading and books.
As a bibliophile, he spent his free time devouring literature and expanding his knowledge of the written word.