The Man from M.A.R.S.

Grant Mitchell

Arthur Wyman

Margaret Irving

Mary Langdon

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Gertrude Hillman

Mrs. Langdon

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W. H. Burton

Mr. Sterling

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Isabel Vernon

Landlady (as Isabelle Vernon)

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John D. Walsh

Buz Buz (as J.D. Walsh)

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J. Burke

Gin Gin

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Peggy Smith

Pux Pux