Howard Culver (June 4, 1918 - August 4, 1984) was an American radio and television actor, best known as hotel clerk Howie Uzzell during the entire run of TV's "Gunsmoke". On radio he starred in the title role of the Western adventure series "Straight Arrow", which aired on Mutual from May 6, 1948 to June 21, 1951.

Based on that paragraph can we conclude that this sentence is true?
He was an actor on the radio and on television

1). Yes.
2). It's impossible to say.
3). No.
1).