| Name | Rank | Born | Died | Notes [+ indicates died while crew of boat] |
| Ackermann | | OMaschMt{D) | | | """KORMORAN"" transferred to U-124 to replace Walbröl 18.Mar.41." |
| Ahland | Rolf | FkOGfr | 24.12.1920 | 02.04.1943 | U-125. U-124+ British corvette HMS Stonecrop and the British sloop HMS Black Swan. All crew lost lost W.of Oporto. 41.02N. 15.39W. |
| Bachmann | Walter | OLt.ing.LI | 20.06.1915 | 02.04.1943 | U-124+ lost W.of Oporto |
| Baumann | Albert | MaschOGfr | 15.03.1921 | 02.04.1943 | U-124+ lost W.of Oporto |
| Bednorz | Heinz | MtrOGfr | 05.12.1923 | 02.04.1943 | U-124+ lost W.of Oporto |
| Bernbeck Dr. | Rupprecht | Mar.St.Arzt | 15.09.1916 | 29.11.2003 | U-124. 2 Patrols. U-155. UIT.21 |
| Beyer | Joachim | Lt.z.S | 20.08.1918 | 02.04.1943 | U-124+ lost W.of Oporto serial/entry Crew of 1939 |
| Beyer | Konstantin | MaschGfr | 04.04.1922 | 02.04.1943 | U-124+ lost W.of Oporto |
| Bock | | Lt.z.S | | | "U-128. U-124. who also had served in the merchant marine. He came to the boat prior to its commissioning as quartermaster 3rd class. Prior to the first patrol he was promoted to Quartermaster 1st , taking over the duties of a third watch officer. On the second patrol he was again promoted, this time to warrant quartermaster and on the third patrol he was given a commission as Leutnant. He continued to be the third watch officer until he left U128 after the fifth patrol to become executive officer on U124 under Kapitänleutnant Johann Mohr." |
| Bockelmann | Hanns | MaschMt | 10.10.1918 | 02.04.1943 | U-505. (09.42-12.42). U-124+ lost W.of Oporto |
| Bornkessel | Dieter | OLt.z.S.01.12.43 | 07.08.1920 | 22.08.1992 | U-124. WO.03.41-09.41. U-178. 3WO.03.42-06.42. U-616. 2WO.06.42-12.42. U -29. 1WO.01.43-06.43. U-354. 1WO.06.43-05.44. U-2332. Cdr.13.11.44-04.45. U-2370. Cdr.(04.45-ende) birthplace Dresden serial/entry Crew of XII/1939 |
| Breyer | Helmuth | Lt.ing | 17.05.1924 | 25.08.2005 | U-124. UD-5. U-1164. U-3008. U-3523. UIT-24 serial/entry Crew of X/1941 |
| Brinker | Rolf | OLt.ing.L1 | | | U-13. (Oct 38-Jan 40.). U-124 serial/entry Crew of 1937. awards DKiG. 09.12.41.(U-124). |
| Budde | Wilhelm | Fkapt.01.01.45 | 26.05.1905 | | """ADMIRAL SCHEER"".(10.40-04.41). U-123. U-124." birthplace Braunschweig serial/entry Crew of 1926 |
| Busch | Franz | | 18.06.1922 | | U-124. U-515 birthplace Siegburg |
| Coester | Christian-Brandt | Olt.z.S.01.04.42 | 13.11.1919 | 28.11.1943 | U-124. 2.W.O.(05.41-05.42). U-10. Cdr.(06.42-02.43). U-542+ Cdr.(04.43-11.43) birthplace Breslau serial/entry Crew of X/1937 |
| Cromm | Werner | Ogfr | | | U-124 |
| Dimmlich | Rudolf | MaschMt | 17.09.1919 | 23.07.1943 | U-64. U-124.? U-527+ lost Mid Atlantic |
| Dittloff | Kurt | MaschOGfr | 26.09.1921 | 02.04.1943 | U-124+ lost W.of Oporto |
| Doliwa | Hermann | MtrOGfr | 21.02.1921 | 02.04.1943 | U-124+ lost W.of Oporto |
| Dörner | Hans | MaschGfr | 02.04.1922 | 02.04.1943 | U-124+ lost W.of Oporto |
| Eck | Heinz-Wilhelm | KpLt.01.12.41 | 27.03.1916 | 30.11.1945 | 6th.M.S.Flot. Cdr.(09.39-02.41). 8th.M.S.Flot. Cdr.(03.41-06.42). U-124. U-852. Cdr.15.06.43-03.05.44. pow birthplace Hamburg serial/entry Crew of 1934 buried Hamburg-Ohlsdorf. Block Y43. Grave 80. |
| Engmann | Johannes-Hermann | MaschOGfr | 15.07.1923 | 02.04.1943 | U-124+ lost W.of Oporto |
| Fahrion | Walter | MechOGfr | 31.01.1922 | 02.04.1943 | U-124+ lost W.of Oporto |
| Feldges | Wilhelm | OFkMt | | | U-124. U-111. pow.04.10.41 UK |
| Fuest | Klemens | OMasch | | | U-124. U-111. pow.04.10.41 UK |
| Geiser | Remigius | | 04.11.1918 | | U-124 |
| Gerlach | Wilhelm | OLt.z.S.01.03.43 | 15.08.1905 | 29.08.1984 | U-124. OStrm.07.40-09.41.WO.01.42-08.42. U-490. Cdr.03.43-06.44. Pow birthplace Eisenach serial/entry Entry NCO.XI/1939 |
| Gieseler | Karl-Heinz | MechOGfr | 19.12.1920 | 02.04.1943 | U-124+ lost W.of Oporto |
| Goder Dr. | Hubertus | Geschw.Arzt | 21.02.1915 | 03.10.1986 | U-124 |
| Hagelmann | | OStrm | | | U-64. U-124 |
| Hardegen | Reinhard | KKpt | 18.03.1913 | | Luftwaffe. U-124. 1WO.(08.40-12.40). U-147. Cdr.(12.40-04.41). U-123. Cdr.(05.41-07.42). birthplace Bremen serial/entry Crew of 1933 awards Knights Cross.23.01.42. Oak leaves.23.04.42. |
| Hasley | Heinrich | MaschOGfr | 11.10.1920 | 02.04.1943 | U-124+ lost W.of Oporto |
| Henke | Werner | KKapt.z.V.(01.06.44 | 13.05.1909 | 15.06.1944 | U-124. 2WO.(11.40-05.41) 1WO.(06.41-10.41). U-515. Cdr.(02.42-04.44) pow.Shot dead birthplace Rudak lost Pow Camp serial/entry Crew of 1934 awards Knights Cross.17.12.42. Oak Leaves.04.07.43. buried Fort George .Meade/Maryl.(USA). Grave 8. |
| Hennig | Hubert | OBtsMt | 06.02.1919 | 02.04.1943 | U-124+ lost W.of Oporto |
| Herden | Herbert | MtrOGfr | 15.05.1923 | 02.04.1943 | U-124+ lost W.of Oporto |
| Herrmann | Erich | OMechMt | 04.07.1914 | 31.05.1944 | U-35. MechOGfr(1938-39) U-124. U-289+ lost Barents Sea |
| Hetzert | Hermann | MtrGfr | 17.01.1925 | 02.04.1943 | U-124+ lost W.of Oporto |
| Heuser | Josef | | | | U-25. U-64. U-124 |
| Hey | Hans | MaschMt | 18.04.1921 | 02.04.1943 | U-124+ lost W.of Oporto |
| Hirsacker | Heinz | KpLt.01.09.41 | 14.08.1914 | 24.04.1943 | "U-36. 2WO.(08.37-12.37). U-64. 1WO.(12.39-04.40). U-124. 1WO.(06.40-08.40). U-572. Cdr(05.41-12.42) ""Z-10"".I.O.(01.43). ""Z-33"".I.O.(01.43). Court-Martial Shot for cowardice. " birthplace Lübeck serial/entry Crew of 1934 |
| Hofbauer | Anton | MaschGfr | 29.01.1924 | 02.04.1943 | U-124+ lost W.of Oporto |
| Höltje | Heinrich | MaschGfr | 06.09.1923 | 02.04.1943 | U-124+ lost W.of Oporto |
| Kaspars | Hermann | OBtsMt | 19.05.1920 | | U-124. U-125. U-515 birthplace Moers awards DKiG. 19.02.44.(U-515). |
| Kirchner | Willi | BtsMt | | | U-A. U-124 |
| Kirschnik | Josef-Adolf | MaschMt | 12.04.1920 | 02.04.1943 | U-124+ lost W.of Oporto |
| Klein | Wilhelm | OStrm | | | U-64. Mtr.1. U-124. U-515. (12.08.42-22.08.43)(5 patrols). U-3005.Ostrm |
| Kleinschmidt | Wilhelm | KpLt.01.04.39 | 27.01.1907 | 04.10.1941 | """Nürnberg"" Torp.Off.(38-04.40). U-124. (08.40-09.40). U-111+ Cdr.(12.40-10.41)." birthplace Oldenburg lost S.W.of Tenerife serial/entry Crew of 1933 |
| Knof | Heinz | MaschGfr | 16.01.1922 | 02.04.1943 | U-124+ lost W.of Oporto |
| Koppelmann | Heinz | | | | U-124 |