Hauptrollen

Minami Takayama (高山 みなみ)
Tobias Müller

Kappei Yamaguchi (山口 勝平)
Tobias Müller

Wakana Yamazaki (山崎 和佳奈)
Giuliana Jakobeit

Akira Kamiya (神谷 明) (bis Sep. 2009)
Rikiya Koyama (小山 力也) (ab Okt. 2009)
Jörg Hengstler
Detective Boys

Yukiko Iwai (岩井 由希子)
Julia Meynen (1-102, Filme)
Susanne Kaps (103-333)
Tanja Schmitz (334+)

Wataru Takagi (高木 渉)
Charles Rettinghaus (1-253)
Michael Iwannek (254+, Filme)

Ikue Otani (大谷 育江) (außer 425-436 und Film 10)
Ai Orikasa (折笠 愛) (425-436, Film 10)
Fabian Hollwitz

Megumi Hayashibara (林原 めぐみ)
Andrea Kathrin Loewig
Polizei

Chafūrin (茶風林)
Klaus-Dieter Klebsch

Wataru Takagi (高木 渉)
Karlo Hackenberger

Yuya Atsuko (湯屋 敦子)
Gundi Eberhard (103-182, 334+, Filme)
Schaukje Könning (183-333)

Kaneto 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+)

Akio Otsuka (大塚 明夫)
Uwe Büschken (1-201, 334+, Filme)
Wolfgang Ziffer (213-333)

Toshio Furukawa (古川 登志夫)
Stefan Krause (1-102)
Bernhard Völger (183-263, 334+, Filme)
Johannes Berenz (311-312)
Weitere Nebenrollen

Kenichi 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+)

Naoko Matsui (松井 菜桜子)
Katja Strobel (1-182)
Julia Ziffer (183+, Filme 1-2)
Jill Böttcher (Filme 3+)

Ryo Horikawa (堀川 りょう)
Oliver Feld (Serie)
Robin Kahnmeyer (Filme 1-20)
Oliver Bender (Film 21)

Yuko Miyamura (宮村 優子)
Anja Stadlober (1-182, Filme 1-20)
Manja Doering (183+, Film 21)

Hideyuki Tanaka (田中秀幸)
Detlef Bierstedt (Serie)
Thomas Petruo (Filme 1-21)

Sumi Shimamoto (島本 須美)
Rita Engelmann (1-102)
Marina Krogull (254+, Filme)

Gara Takashima (高島 雅羅)
Sabine Winterfeld

Kappei Yamaguchi (山口 勝平)
Julien Haggège

Yukitoshi Hori (堀之 紀)
Tobias Kluckert (1-333)
Jan-David Rönfeldt (334+, Filme)

Fumihiko Tachiki (立木 文彦)
Stefan Gossler

Mami Koyama (小山 茉美)
Viktoria Voigt (191-192)
Victoria Sturm (1-333 außer 191-192, Film 13)
Melanie Hinze (334+, Film 20)

Miyuki Ichijo (一城 みゆ希)
Victoria Sturm

Shuichi Ikeda (池田 秀一)
Uwe Jellinek (250, Filme)
Tobias Kluckert (278)
Martin Kautz (307+)

Ryotaro Okiayu (置鮎 龍太郎)
Sven Gerhardt

Toru Furuya (古谷 徹)
Konrad Bösherz

Noriko Hidaka (日高 のり子)
Esra Vural