Tom Hanks is ''terribly saddened'' by the death of Michael Clarke Duncan.

Tom's 'Green Mile' co-star passed away suddenly in a Los Angeles hospital at the age of 54 on Monday (03.09.12) and Tom was one of the many stars who rushed to pay tribute to the actor.

He said: ''I am terribly saddened at the loss of Big Mike. He was the treasure we all discovered on the set of 'The Green Mile'. He was magic. He was a big love of man and his passing leaves us stunned.''

Michael's death comes just two months after he suffered a heart attack and many of his fellow celebrities have taken to twitter to praise him and mourn his passing.

Rosario Dawson wrote: ''Oh no! Michael Clark Duncan was such a lovely sweetheart! Too young!'' while Octavia Spencer added: ''RIP Michael Clarke Duncan!''

Olivia Munn shared her personal memories of the actor, writing: ''Michael Clarke Duncan always had a smile on his face & a big bear hug ready for you. My thoughts & prayers are with his family&friends. RIP (sic).''

Michael - who had worked as a bodyguard for celebrities including Will Smith, Martin Lawrence, Jamie Foxx, LL Cool J, and Notorious B.I.G before finding fame - recently starred in 'Bones' spin-off TV show 'The Finder' and 'Bones' actor David Boreanaz also took to twitter to remember his friend.

He wrote: ''R.I.P. my friend MCD. I will miss you.''

Former 'American Idol' contestant Jordin Sparks praised Michael for his kindness, writing ''RIP Michael Clarke Duncan. Thank you for being so kind to me & for sharing your talent with the world. You will be truly missed (sic).''

Meanwhile, Sherri Shepherd reached out to the actor's fiancee Omarosa Manigault.

She wrote: ''My heart and prayers go out to you @Omarosa ... I remember you telling me how happy you & Michael Clarke Duncan were - so sorry (sic).''