He played Dr. Laughlin in She Wore a Yellow Ribbon with Wayne and Joanne Dru, and appeared yet again with Wayne and Barry Fitzgerald in Ford's Long Voyage Home.
His last name comes from 2nd Lt. Ross Pennell, a character from John Ford's She Wore a Yellow Ribbon (1949).
Some of his short stories were turned into movies by John Ford, including Fort Apache, She Wore a Yellow Ribbon, and Rio Grande.
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