| Name | Rank | Born | Died | Notes [+ indicates died while crew of boat] |
| Allmenröder | Erich | MaschMt | 03.05.1922 | 12.05.1943 | U-456+ lost N.Atlantic 46.39N-26.54W |
| Becker | Robert | MtrOGfr | 30.07.1921 | 12.05.1943 | U-456+ lost N.Atlantic 46.39N-26.54W |
| Behrhorst | Karl | MtrOGfr | 12.05.1922 | 12.05.1943 | U-456+ lost N.Atlantic 46.39N-26.54W |
| Bender | Heinz | MtrOGfr.(cook) | 26.06.1921 | | U-456. MtrGfr. U-269. MtrOGfr. |
| Bieselt | Hermann(Herbert?) | OStrm | 12.04.1914 | 12.05.1943 | U-37. BtsMt. U-456+ lost N.Atlantic.46.39N-26.54W awards DKiG. 25.05.43.(U-456). |
| Bösel | Gustav | OMaschMt | 20.02.1919 | 12.05.1943 | U-456+ lost N.Atlantic 46.39N-26.54W |
| Bothe | Joachim | OFahnr.ing | 17.11.1923 | 12.05.1943 | U-456+ lost N.Atlantic.46.39N-26.54W serial/entry Crew of V/1941 |
| Draheim | Erich | OMaschMt | 23.03.1918 | 12.05.1943 | U-456+ lost N.Atlantic 46.39N-26.54W |
| Eisenbarth | Edgar | FkMt | 22.06.1922 | 12.05.1943 | U-456+ lost N.Atlantic 46.39N-26.54W |
| Felske | Otto | MechGfr | 21.03.1924 | 12.05.1943 | U-456+ lost N.Atlantic 46.39N-26.54W |
| Franck | Karl | MaschGfr | 09.08.1922 | 12.05.1943 | U-456+ lost N.Atlantic 46.39N-26.54W |
| Friedrich | Paul | OMaschMt | 14.06.1920 | 12.05.1943 | U-456+ lost N.Atlantic 46.39N-26.54W |
| Funck | Herbert | BtsMt | 15.12.1917 | 12.05.1943 | U-456+ lost N.Atlantic 46.39N-26.54W |
| Gutzmann | Hans | MaschOGfr | 02.08.1921 | 12.05.1943 | U-456+ lost N.Atlantic 46.39N-26.54W |
| Heimes | | | | | U-456 |
| Hoppe | Kurt | MtrGfr | 27.03.1922 | 12.05.1943 | U-456+ lost N.Atlantic 46.39N-26.54W |
| Huck | Heinz | MtrOGfr | 16.09.1922 | 12.05.1943 | U-456+ all war patrols birthplace Herne lost N.Atlantic 46.39N-26.54W serial/entry UO.7921/40.S |
| Kreutzer | Wilhelm | MaschOGfr | 05.11.1921 | 12.05.1943 | U-456+ lost N.Atlantic 46.39N-26.54W |
| Kühner | Otto | OMasch | 16.01.1914 | 12.05.1943 | U-456+ lost N.Atlantic 46.39N-26.54W |
| Leitzke | Hermann | MtrGfr | 31.08.1922 | 12.05.1943 | U-456+ lost N.Atlantic 46.39N-26.54W |
| Leu | Wolfgang | OLt.z.S | 06.07.1917 | 24.05.1944 | U-456. 1WO.(10.42-03.43) U-921+ Cdr.wounded but got the other wounded down the hatch & close the hatch from outside & drowned birthplace Kaltennordheim lost off Trondheim serial/entry Crew of 1937b |
| Lütjen | Georg | MtrOGfr | 15.02.1922 | 12.05.1943 | U-456+ lost N.Atlantic 46.39N-26.54W |
| Maier | Eduard | MtrOGfr | 30.01.1923 | 12.05.1943 | U-456+ lost N.Atlantic 46.39N-26.54W |
| Maier | Gerhard | MaschGfr | 05.08.1924 | 12.05.1943 | U-456+ lost N.Atlantic 46.39N-26.54W |
| Malek | Georg | MtrOGfr | 16.04.1923 | 12.05.1943 | U-456+ lost N.Atlantic 46.39N-26.54W |
| Moll | Ewald | MaschOGfr | 18.04.1924 | 12.05.1943 | U-456+ lost N.Atlantic 46.39N-26.54W |
| Mollenhauer | Erich | BtsMt | 06.12.1915 | 12.05.1943 | U-456+ lost N.Atlantic 46.39N-26.54W |
| Moser | Josef | FkMt | 10.04.1921 | 12.05.1943 | U-456+ lost N.Atlantic 46.39N-26.54W |
| Nerlich | Lothar | OLt.ing | 23.06.1918 | 12.05.1943 | U-456+ lost N.Atlantic 46.39N-26.54W |
| Paul | Hermann | OMasch | 24.09.1913 | 12.05.1943 | U-456+ lost N.Atlantic 46.39N-26.54W serial/entry UO.221/33.T awards E.K.2. 14.06.40. E.K.1. 01.10.42. |
| Pfabe | Walter | MaschOGfr | 15.02.1921 | 12.05.1943 | U-456+ lost N.Atlantic 46.39N-26.54W |
| Pfaff | Adolf | MaschOGfr | 17.10.1914 | 12.05.1943 | U-456+ lost N.Atlantic 46.39N-26.54W |
| Piosczyk | Georg | MaschGfr | 25.11.1923 | 12.05.1943 | U-456+ lost N.Atlantic 46.39N-26.54W |
| Rebs | Kurt | MechMt | 19.07.1921 | | U-20. U-456 |
| Romig | Horst | Fahnr.z.S | 23.09.1923 | 12.05.1943 | U-456+ lost N.Atlantic 46.39N-26.54W |
| Ruf | Friedrich | MtrOGfr | 19.03.1923 | 12.05.1943 | U-456+ lost N.Atlantic 46.39N-26.54W |
| Rutkowski | Bernhard | MaschOGfr | 22.05.1918 | 12.05.1943 | U-456+ lost N.Atlantic 46.39N-26.54W |
| Schaper | Heinz | FkOGfr | 02.02.1924 | 12.05.1943 | U-456+ lost N.Atlantic 46.39N-26.54W |
| Scharmann | Hans | MtrGfr | 22.08.1924 | 12.05.1943 | U-456+ lost N.Atlantic 46.39N-26.54W |
| Schimanek | Robert | MaschMt | 22.11.1922 | 12.05.1943 | U-456+ lost N.Atlantic 46.39N-26.54W |
| Schmidtke | Walter | MaschMt | 09.07.1921 | 12.05.1943 | U-456+ lost N.Atlantic 46.39N-26.54W |
| Schöttke | Walter | MechMt | 01.09.1919 | 12.05.1943 | U-456+ lost N.Atlantic 46.39N-26.54W |
| Schreiber | Georg | FkOGfr | 22.04.1923 | 12.05.1943 | U-456+ lost N.Atlantic 46.39N-26.54W |
| Schruff | Eduard | MtrGfr | 17.07.1923 | 12.05.1943 | U-456+ lost N.Atlantic 46.39N-26.54W |
| Steiner | Martin | MaschOGfr | 16.09.1920 | 12.05.1943 | U-456+ lost N.Atlantic 46.39N-26.54W |
| Stockmayer | Werner | OLt.z.S | 11.10.1917 | 12.05.1943 | U-456+ lost N.Atlantic.46.39N-26.54W |
| Stolte | Fritz | MaschOGfr | 12.10.1921 | 12.05.1943 | U-456+ lost N.Atlantic 46.39N-26.54W |
| Sträter | Johannes | MaschOGfr | 27.03.1922 | 12.05.1943 | U-456+ lost N.Atlantic 46.39N-26.54W |
| Teichert | Max-Martin | KpLt | 31.01.1915 | 12.05.1943 | U-94. 1WO.02.41-06.41. U-456+ Cdr.18.09.41-12.05.43 birthplace Kiel lost N.Atlantic serial/entry Class of 1934 awards Knights Cross.19.12.43. |
| Thies | Adolf | Lt.z.S | 29.03.1919 | 12.05.1943 | U-456+ lost N.Atlantic 46.39N-26.54W |