Thomas Kiefer (vocals, guitar, 1974-81), Hansi Droz (guitar, 1974-76), Remo Spadino (bass, 1974-76), Chris von Rohr (vocals, bass, drums, 1974-82, 1987-88, 2008-present), Fernando von Arb (guitar, bass, 1977-2005, 2008-present), Jürg Naegeli (bass, keyboards, 1977-79), Freddy Steady (drums, 1977-83, 1995-99, 2008-present), Marc Storace (vocals, 1979-90, 1995-99, 2003-present), Mark Kohler (guitar, bass, 1982-90, 1995-99, 2008-present), Steve Pace (drums, 1983-84), Jeff Klaven (drums, 1984-88), Tommy Keiser (bass, 1986-88), Dani Crivelli (drums, 1988-90), Peter Tanner (vocals, 1990-95), Many Maurer (guitar, bass, 1990-2003), Tony Castell (guitar, bass, 1990-95, 2003-07), Peter Haas (drums, 1990-95, 1999-2003), Carl Sentance (vocals, 1999-2003), Chris Lauper (guitar, 1999-2003), Dave Stettler (guitars, 2001-03), Dominique Favez (guitar, 2003-07), Patrick Aeby (drums, 2003-06), Mandy Meyer (guitar, 2005-07), Stefan Schwarzmann (drums, 2006-07)