found: The Black coin [MP] 1936:credits (the players, Dave O'Brien)
found: Inter. film necrology, 1981(Dave O'Brien; AKA David Barclay; actor; b. May 31, 1912, Big Springs, Tex.; d. Nov. 8, 1969)
found: Katz, E. Film encyc., 1979(O'Brien, Dave (Tex); b. David Barclay, May 31, 1912, Big Springs, Tex.; d. 1969; song-and-dance man, actor, stuntman, comedy writer, TV director)
found: Internet movie database WWW site, November 28, 2006:(Dave O'Brien; sometimes credited as David Barclay, Tex Coe, Dave O'Brian, Dave "Tex" O'Brien, David O'Brien, Tex O'Brien; actor, director, writer, stunts, composer)
found: High in the saddle, 1943(Texas Coe)
found: IMDb, December 20, 2018:(Dave O'Brien, writer, actor, director ; b. May 31, 1912 in Big Spring, Texas, USA ; d. November 8, 1969 (age 57) in Catalina Island, California, USA ; alternate names: Dave Barclay, David Barclay, Dave O'Brian, Dave 'Tex' O'Brien, Dave Tex O'Brien, David O'Brien, Tex O'Brien)