No.
No character played by Robin Williams, or film title is returned with Garth as a search term.
A search for this title produces no match; and nothing in Robin Williams's work has a title by this name.
In some movies, I'm sure it did! He used to have ADD (attention deficit disorder). That would probably help him get into character in some movies.But truly, only he could say.
Don't Know about his cousins but his uncle is Kenneth Williams of the Carry On Films.
Depression
adhd
Robin Williams was a caucasian, American.
Robin Williams voiced the Genie .
No, Robin Williams is not single.
Robin Williams height is 5'8".
Robin Williams was 5'7" when he died.
Robin Williams is a/an Actor, comedian
Robin McLaurim Williams
Robin Williams is an Episcopalian.
Robin Williams married to Valerie Velardi in 1978 Robin Williams married to Marsha Garces in 1989 Robin Williams married to Susan Schneider in 2011
Robin Williams married to Valerie Velardi in 1978 Robin Williams married to Marsha Garces in 1989 Robin Williams married to Susan Schneider in 2011