Education
Diamantopoulos attended East York Collegiate Institute.
Actor voice actor television actor
Diamantopoulos attended East York Collegiate Institute.
Diamantopoulos began appearing in television commercials and professional theatre productions at the age of 9, and by the time he turned 18, he had left home to partake in a series of United States. national tours. A short time later, he landed on Broadway where he played leading parts in The Full Monty (2002) and Les Misérables (2003). He portrayed Robin Williams in Behind the Camera: The Unauthorized Story of Mork & Mindy.
He has guest-starred in several series, including Kevin Hill, Charmed, The Sopranos, Nip/Tuck, and Boston Legal.
In 2007, he appeared opposite Debra Messing in The Starter Wife, where he played the role of the gay interior decorator character of Rodney. Diamantopoulos had a recurring role on State of Mind.
He also guest-voiced on in 2009. He played Frank Sinatra in The Kennedys.
Diamantopoulos played Moe Howard in the 2012 The Three Stooges film.
He also is the current spokesman for the firm Charles Schwab. He understudied Donny Osmond on tour of Joseph and the Amazing Technicolor Dreamcoat. He is also the voice of Mickey Mouse for the eponymous animated series.
He has recently featured in the United Kingdom/United States television sitcom Episodes playing the part of television network boss Castor Sotto, Mr.
Chris in the television adaptation of About a Boy and billionaire investor Russian Hanneman in Silicon Valley.
He had recurring roles on the National Broadcasting Company sitcoms Up All Night, as Maya Rudolph"s on and off lover, Julian, The Office, as Brian, a former member of the show"s documentary film crew, and on Arrested Development, as Marky, Lindsay"s face-blind environmentalist boyfriend.