Jack Saper: Producer's Assistant (Production)1955-11-07

Jack Saper: Producer (Production)1942-04-24

Jack Saper: Editor (Editing)1936-07-03

Jack Saper: Editor (Editing)1937-06-08

Jack Saper: Producer (Production)1942-09-04

Jack Saper: Unit Manager (Production)1939-09-30

Jack Saper: Associate Producer (Production)1941-12-24

Jack Saper: Editor (Editing)1937-05-01

Jack Saper: Associate Producer (Production)1941-08-09

Jack Saper: Associate Producer (Production)1942-05-30

Jack Saper: Associate Producer (Production)1941-09-13

Jack Saper: Unit Manager (Production)1940-06-15