Hopalong Cassidy was television's first western program. The series aired on NBC and stared William Boyd as the cowboy Hopalong Cassidy.

Hopalong Cassidy (1952)
Overview
Top Billed Cast
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Edgar Buchanan
Red Connors (40 episodes)

William Boyd
Hopalong Cassidy (40 episodes)

George D. Wallace
(5 episodes)

William Henry
(3 episodes)

Rick Vallin
(3 episodes)

John Crawford
(3 episodes)

Harry Cording
(2 episodes)

Henry Rowland
(2 episodes)

Thurston Hall
(2 episodes)