Clarence Marks: Producer's Assistant (Production)1961-12-19

Clarence Marks: Screenplay (Writing)1943-08-06

Clarence Marks: Writer (Writing)1933-06-01

Clarence Marks: Writer (Writing)1935-09-01

Clarence Marks: Writer (Writing)1936-12-18

Clarence Marks: Writer (Writing)1938-02-04

Clarence Marks: Dialogue (Writing)1938-12-01

Clarence Marks: Story (Writing)1939-01-06

Clarence Marks: Screenplay (Writing)1942-01-31

Clarence Marks: Writer (Writing)1942-12-31

Clarence Marks: Screenplay (Writing)1943-04-16

Clarence Marks: Dialogue Coach (Crew)1958-07-16

Clarence Marks: Screenplay (Writing)1933-08-03

Clarence Marks: Story (Writing)1934-05-04

Clarence Marks: Writer (Writing)1929-08-04

Clarence Marks: Writer (Writing)1934-06-01

Clarence Marks: Additional Dialogue (Crew)1932-06-22

Clarence Marks: Adaptation (Writing)1929-03-09

Clarence Marks: Dialogue (Writing)1933-05-01