And, from what I heard, when they were still looking for someone it was suggested that they check out a street performer who was (I think) acting like an alien. The response was 'you want me to hire a guy with a cup off the street?' and he was told 'the cup is always full'. That street performer was Robin Williams.
sk8rlee t1_j6506nf wrote
Reply to comment by MrFrode in TIL John Byner was originally cast as Mork from Ork on Happy Days, but found the premise ridiculous and quit days before filming, leading Robin Williams to be called in last minute by LoneRangersBand
And, from what I heard, when they were still looking for someone it was suggested that they check out a street performer who was (I think) acting like an alien. The response was 'you want me to hire a guy with a cup off the street?' and he was told 'the cup is always full'. That street performer was Robin Williams.