Tristram Chockley Coffin was a former film and television actor from the latter 1930s through the 1970s, usually in westerns or other B-movie action-adventure productions.
Coffin in Dangerous Money (1946)
King of the Rocket Men is a 1949 12-chapter movie serial from Republic Pictures, produced by Franklin Adreon, directed Fred C. Brannon, that stars Tristram Coffin, Mae Clarke, Don Haggerty, House Peters, Jr., James Craven, and I. Stanford Jolley.
Theatrical release insert poster