
Acting
Stefan "Steve" Ihnat (August 7, 1934 – May 12, 1972) was a Slovak-born American actor and director.
Description above from the Wikipedia article Steve Ihnat, licensed under CC-BY-SA, full list of contributors on Wikipedia.

Hunter
as Alain Praetorius

Fuzz
as Det. Andy Parker

The D.A.: Conspiracy to Kill
as James Fletcher

Sweet, Sweet Rachel
as Dr. Simon Tyler

Zig Zag
as Asst. Dist. Atty. Herb Gates

The Whole World Is Watching
as Officer Platt

Madigan
as Barney Benesch

Kona Coast
as Kryder

Countdown
as Ross Duellan

Hour of the Gun
as Andy Warshaw

Alias Smith and Jones
1 ep.

The Young Rebels
1 ep.

Marcus Welby, M.D.
as Bob Stewart · 1 ep.

Then Came Bronson
as Royce MacLeod · 1 ep.

Bracken's World
1 ep.

The Name of the Game
as Captain Oliver · 1 ep.

The Mod Squad
1 ep.

Here Come the Brides
1 ep.

The Outcasts
1 ep.

Mannix
as Sheriff Weed · 3 ep.