Born to Dr. Charles T. Osterloh and Emma Geiselhart in Pittsburgh, Robert Osterloh first led his high-school’s student council and drama club, starring in the senior play before an agent spotted him during a stock-theater performance. He entered Hollywood with a supporting turn in The Dark Past and quickly became a steady presence in mid-century cinema, appearing in titles such as Illegal Entry, W… Read more
Biography written by WatchMoods, based on public sources
Known for Rosemary's Baby 1968 The Day the Earth Stood Still 1951 Invasion of the Body Snatchers 1956 White Heat 1949 Series ★ 8 The Untouchables 1959
Benny Joplin Series ★ 7.8 The Outer Limits 1963
General Series ★ 7.7 Perry Mason 1957
Morey Allen Series ★ 7.5 Bonanza 1959
Casey Series ★ 7.1 Wanted: Dead or Alive 1958
Kenny Series ★ 7.1 The Rifleman 1958
★ 7.1 Riot in Cell Block 11 1954
The Colonel ★ 7.1 Criss Cross 1949
Mr. Nelson (uncredited) ★ 7.1 Pinky 1949
Police Officer (uncredited) Series ★ 6.8 The Invaders 1967
Carl Wyeth ★ 6.8 Warlock 1959
Professor (uncredited) ★ 6.8 The Prowler 1951
Coroner Series ★ 6.7 Thriller 1960
Capt. Greer ★ 6.7 Violent Saturday 1955
Roy, Bartender (uncredited) Series ★ 6.7 Gunsmoke 1955
Dan Dresslar Series ★ 6.6 Wagon Train 1957
Ransome Jarvis ★ 6.4 Warning Shot 1967
★ 6.4 711 Ocean Drive 1950
Gizzi ★ 6.2 I Bury the Living 1958
Lt. Clayborne ★ 6.2 Fort Massacre 1958
Schwabacker ★ 6.1 Man with the Gun 1955
Virg Trotter (uncredited) ★ 6.1 The Undercover Man 1949
Emanuel 'Manny' Zanger ★ 6 The Dark Past 1948
Pete ★ 5.8 One Minute to Zero 1952
Maj. Davis Series ★ 5.6 The F.B.I. 1965
Maconne ★ 5.6 Baby Face Nelson 1957
FBI Agent Johnson ★ 5.3 A Lady Without Passport 1950
Lt. Lannahan, NYC Cop ★ 5.2 Wicked Woman 1953
Larry Lowry ★ 5.1 Star in the Dust 1956
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