Peter Groeger (1 June 1933 in Gröbzig, Free State of Anhalt – 16 January 2018 in Berlin) was a German actor and director.
Peter Groeger became well-known mainly through his numerous radio drama productions and as a voice actor of the bartender Quark (Armin Shimerman) in the science fiction series Star Trek: Deep Space Nine.
From 1998 to 2002 he played the character of Dr. Iron Wire in several commercials for the fuel station chain DEA.
From August 2009, he was again seen in this role, this time in similarly designed commercials for energy supplier RWE.
Since 2007 he was part of the ensemble of the Berlin Criminal Theatre, where he appeared in Arsenic and Old Lace, The Name of the Rose and Inspector Campbell's Last Case.