John Ritter's birth name is Jonathan Southworth Ritter.
Ralph Huntley's birth name is Ralph Wales Huntley.
No, the actress Krysten Ritter is not related to the late actor John Ritter.
John Ritter married to Nancy Morgan from 1977 to 1996 John Ritter married to Amy Yasbeck in 1999
Paul Henreid's birth name is Paul Georg Julius Hernreid Ritter von Wassel-Waldingau.
John Boswall's birth name is John Stuart.
Laszlo Ritter's birth name is Lszl Ritter.
Carly Ritter's birth name is Carly Constance Ritter.
Jonathan Ritter's birth name is Jonathan O. Ritter.
Krysten Ritter's birth name is Krysten Alyce Ritter.
Lawrence Ritter's birth name is Lawrence Stanley Ritter,.
Tex Ritter's birth name is Ritter, Woodward Maurice.
Tyler Ritter's birth name is Tyler D. Ritter.
Ralph Huntley's birth name is Ralph Wales Huntley.
Ritter von Mosenthal's birth name is von Mosenthal, Salomon Hermann Ritter.
Kasper Klejnstrup's birth name is Kasper Ritter Klejnstrup.
Marcel Prawy's birth name is Friedmann Ritter von Prawy.
No, the actress Krysten Ritter is not related to the late actor John Ritter.