Ronald F. Hagerthy (born March 9, 1932)[1] is an American actor on television and in films.

Hagerthy was born in Aberdeen, South Dakota, but moved to Glendale, California, before he started school.

[5] He also appeared on Matinee Theater,[4] Bonanza, Gunsmoke (as “Blackie” in S1E38’s “Unknown Grave” - 1956), Navy Log, Tales of Wells Fargo,[3] and New Comedy Showcase.

On film, Hagerthy portrayed Dick Cvetic in I Was a Communist for the FBI (1951)[2] and Cpl.

[8] He also appeared in Make Haste to Live,[9] Eighteen and Anxious,[3] Charge at Feather River, City That Never Sleeps, and Force of Arms.