Mission: Impossible is the classic television espionage series that ran on CBS from 1966-1973. For the majority of the series, the team was led by Jim Phelps (Peter Graves). Throughout its six seasons, several notable actors would appear in the series as cast members including Martin Landau, Leonard Nimoy, Lesley Ann Warren and Sam Elliott. The series would also spawn a 1980's television revival as well as three feature films starring Tom Cruise, beginning with 1996's Mission: Impossible.
In Season 5's "The Amateur" (S5E09), Eric Schilling (Anthony Zerbe) holds the Luger P08.
Walther P38
Seravno Prison Guards are armed with the Walther P38 in Season 1's "Old Man Out, Part 1" (S1E04).
Tokarev TT-33
Submachine Guns
M1 Carbine
The M1 Carbine is another frequently used weapon by foreign guards and soldiers in the series. In Season 1's "Action!" (S1E23), actors portraying American troops in fake documentary footage are armed with the M1 Carbine.
M1A1 Carbine
A M1A1 Paratrooper Carbine with foregrip is seen in the hands of a border guard in Season 1's "Old Man Out, Part 2" (S1E05).
M1928A1 Thompson
The M1928A1 Thompson is seen in the hands of the soldiers guarding the vault in the Pilot episode.
M3 "Grease Gun"
The M3 "Grease Gun" is seen in the hands of the soldiers guarding the vault in the Pilot episode.
MP40
Seen used by Rollin Hand (Martin Landau) in an episode.
Rifles
Mauser Karabiner 98k
The Karabiner 98k rifle is seen used by a firing squad in Season 5 "The Hostage".
The M1 Garand is a frequent weapon seen in the hands of guards and soldiers in the series. In Season 5's "The Rebel", a Latin American soldier is armed with an M1 Garand.
Beretta BM59
In Season 5's "The Amateur", an Eastern European guard is seen armed with what appears to be a Beretta BM59.
Shotguns
Pump Action Shotgun
Possibly a Winchester Model 1912 that is seen in an episode and the opening credits.
Machine Guns
Browning M2HB Machine Gun
Soldiers clean the barrels of their Browning M2 machine guns in the Pilot episode.