Cast

William Boyd

Hopalong Cassidy

Andy Clyde

California Carlson

Rand Brooks

Lucky Jenkins

Robert Emmett Keane

Professor Dixon

Jane Randolph

Jessie Dixon

Fred 'Snowflake' Toones

Speed

Steve Barclay

Bruce Landy

Harry Cording

Duke

Earle Hodgins

Sandler

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Robert Bentley

Barton

Crew

George Archainbaud

Director (Directing)

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Lewis J. Rachmil

Producer (Production)

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Harvey T. Gillett

Art Direction (Art)

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Mack Stengler

Cinematography (Crew)

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Fred W. Berger

Editor (Editing)

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David Chudnow

Music (Sound)

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George Mitchell

Art Direction (Art)

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Harry Lindgren

Sound (Sound)

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Doris Schroeder

Screenplay (Writing)

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Clarence E. Mulford

Characters (Writing)