Name	Known for
Iain Ballantyne Self Self See fewer	Submarines: Danger from the Depth (2021)
Otis Barton Self (archive footage) Self (archive footage) See fewer	Titans of the Deep (1938)
William Beebe Self (archive footage) Self (archive footage) See fewer	Titans of the Deep (1938)
Andreas Burmester Self Self See fewer	Submarines: Danger from the Depth (2021)
François Dupont Self - Former Submarine Commander Self - Former Submarine Commander See fewer	Submarines: Danger from the Depth (2021)
Nana Ehlers Self Self See fewer	Submarines: Danger from the Depth (2021)
Lars Gössing Self Self See fewer	die nordstory (2011)
Adolf Hitler Self (archive footage) Self (archive footage) See fewer	Triumph of the Will (1935)
Daniela Hoffmann Speaker (voice) Speaker (voice) See fewer	Asterix and Obelix vs. Caesar (1999)
Stephan Huck Self - Historian Self - Historian See fewer	Submarines: Danger from the Depth (2021)
Kaiser Wilhelm II Self (archive footage) Self (archive footage) See fewer	Gewalt gegen Recht (1920)
Stefan Krummrich Self Self See fewer	Submarines: Danger from the Depth (2021)
Sönke Neitzel Self Self See fewer	Generation War (2013)
Axel Niestlé Self Self See fewer	Secrets of the Third Reich (2014)
Auguste Piccard Self (archive footage) Self (archive footage) See fewer	Personnalités suisses (1958)
Jacques Piccard Self (archive footage) Self (archive footage) See fewer	What's My Line? (1950)
Robert Radigk Self Self See fewer	Submarines: Danger from the Depth (2021)
Jürgen Schauer Self Self See fewer	Submarines: Danger from the Depth (2021)
Michael Setzer Self Self See fewer	Submarines: Danger from the Depth (2021)
Ralph Tastl Self Self See fewer	Submarines: Danger from the Depth (2021)
Jules Verne Self (archive footage) Self (archive footage) See fewer	Around the World in 80 Days (1956)
Alfred von Tirpitz Self (archive footage) Self (archive footage) See fewer
Woodrow Wilson Self (archive footage) Self (archive footage) See fewer	The Birth of a Nation (1915)