Complex sentence: Thomas Middleditch is a Canadian actor and television writer, known for his lead roles as Justin Frost in the 2009 romantic comedy "Splinterheads" and as Richard Hendriks in the HBO series "Silicon Valley".
Split into simpler sentences: Thomas Middleditch is a Canadian actor and television writer, known for his lead role as Justin Frost in the 2009 romantic comedy "Splinterheads". He plays the lead role of Richard Hendriks in the HBO series "Silicon Valley".