Nancy Drew… Detective

Bonita Granville

Nancy Drew

John Litel

Carson Drew

James Stephenson

Challon

Frankie Thomas

Ted Nickerson

Frank Orth

Captain Tweedy

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Helena Phillips Evans

Mary Eldredge

Renie Riano

Effie Schneider

Charles Trowbridge

Hollister

Dick Purcell

Keiffer

Edward Keane

Adam Thorne

Mae Busch

Miss Tyson

Tommy Bupp

Spud Murphy (uncredited)

Betty Jane Graham

Brinwood Student (uncredited)

Stuart Holmes

Telegrapher (uncredited)

Vera Lewis

Miss Van Deering (uncredited)

Jack Mower

Radio Station Technician (uncredited)

John Ridgely

Radio Station Technician (uncredited)

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Cliff Saum

Farmer (uncredited)

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Joanne Tree

Student with Black Hat (uncredited)

Brandon Tynan

Ray Spires (uncredited)

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Lottie Williams

Mrs. Ray Spires (uncredited)

Tom Wilson

Brennan (uncredited)