Hauptrollen
ConanMinami Takayama (高山 みなみ)
Tobias Müller
ShinichiKappei Yamaguchi (山口 勝平)
Tobias Müller
RanWakana Yamazaki (山崎 和佳奈)
Giuliana Jakobeit
KogoroAkira Kamiya (神谷 明) (bis Sep. 2009)
Rikiya Koyama (小山 力也) (ab Okt. 2009)
Jörg Hengstler
Detective Boys
AyumiYukiko Iwai (岩井 由希子)
Julia Meynen (1-102, Filme)
Susanne Kaps (103-333)
Tanja Schmitz (334+)
GentaWataru Takagi (高木 渉)
Charles Rettinghaus (1-253)
Michael Iwannek (254+, Filme)
MitsuhikoIkue Otani (大谷 育江) (außer 425-436 und Film 10)
Ai Orikasa (折笠 愛) (425-436, Film 10)
Fabian Hollwitz
AiMegumi Hayashibara (林原 めぐみ)
Andrea Kathrin Loewig
Polizei
MegureChafūrin (茶風林)
Klaus-Dieter Klebsch
TakagiWataru Takagi (高木 渉)
Karlo Hackenberger
SatoYuya Atsuko (湯屋 敦子)
Gundi Eberhard (103-182, 334+, Filme)
Schaukje Könning (183-333)
ShiratoriKaneto Shiozawa (塩沢 兼人) (1-167, Filme 1-4)
Kazuhiko Inoue (井上 和彦) (167+, Filme 5+)
Thomas Nero Wolff (Serie, Filme 1-2)
Alexander Doering (Filme 3+)
YokomizoAkio Otsuka (大塚 明夫)
Uwe Büschken (1-201, 334+, Filme)
Wolfgang Ziffer (213-333)
YamamuraToshio Furukawa (古川 登志夫)
Stefan Krause (1-102)
Bernhard Völger (183-263, 334+, Filme)
Johannes Berenz (311-312)
Weitere Nebenrollen
AgasaKenichi Ogata (緒方 賢一)
Gerhard Paul (1-102)
Wolfgang Thal (103-253)
Rüdiger Evers (254-333, Filme 1-19)
Frank Ciazynski (334+, Filme 20+)
SonokoNaoko Matsui (松井 菜桜子)
Katja Strobel (1-182)
Julia Ziffer (183+, Filme 1-2)
Jill Böttcher (Filme 3+)
HeijiRyo Horikawa (堀川 りょう)
Oliver Feld (Serie)
Robin Kahnmeyer (Filme 1-20)
Oliver Bender (Film 21)
KazuhaYuko Miyamura (宮村 優子)
Anja Stadlober (1-182, Filme 1-20)
Manja Doering (183+, Film 21)
Yusaku KudoHideyuki Tanaka (田中秀幸)
Detlef Bierstedt (Serie)
Thomas Petruo (Filme 1-21)
Yukiko KudoSumi Shimamoto (島本 須美)
Rita Engelmann (1-102)
Marina Krogull (254+, Filme)
EriGara Takashima (高島 雅羅)
Sabine Winterfeld
Kaito KidKappei Yamaguchi (山口 勝平)
Julien Haggège
GinYukitoshi Hori (堀之 紀)
Tobias Kluckert (1-333)
Jan-David Rönfeldt (334+, Filme)
WodkaFumihiko Tachiki (立木 文彦)
Stefan Gossler
VermouthMami Koyama (小山 茉美)
Viktoria Voigt (191-192)
Victoria Sturm (1-333 außer 191-192, Film 13)
Melanie Hinze (334+, Film 20)
JodieMiyuki Ichijo (一城 みゆ希)
Victoria Sturm
ShuichiShuichi Ikeda (池田 秀一)
Uwe Jellinek (250, Filme)
Tobias Kluckert (278)
Martin Kautz (307+)
Subaru OkiyaRyotaro Okiayu (置鮎 龍太郎)
Sven Gerhardt
AmuroToru Furuya (古谷 徹)
Konrad Bösherz
MasumiNoriko Hidaka (日高 のり子)
Esra Vural