- Worked as a piano tuner in Chicago before his acting career took off.
- His first acting roles were with the government-funded initiative the Federal Theater Project, where he also met his future wife.
- Lent his voice to several radio dramas, including "Bachelor's Children," "Girl Alone" and "The Story of Mary Marlin."
- Served in the U.S. Army during World War II under Gen. George Patton.
- He and his wife starred in ABC's first-ever sitcom, That's O'Toole.
- Founded the Actors Alley Repertory Theater in Los Angeles in 1971.
- Ruth M. Peterson — Mother
- Margaret — Sister
- Kristin — Daughter
- Arthur H. Peterson — Father
- Norma Ransom — Wife
- Paul Peterson — Son
- University of Minnesota, Minneapolis, Minnesota, United States (BFA in Theater)
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