(Undated) -- Award-winning actor and comedian Robin Williams is dead. The 63-year-old Williams was found dead of a suspected suicide inside his San Francisco Bay Area home on Monday. Williams' death is sending shockwaves around the world. President Obama praised Williams for presenting his talent to troops stationed abroad as well as those Obama called "the marginalized on our own streets." Pam Dawber, who co-starred with Williams in his first sitcom, "Mork & Mindy," said she was "completely and totally devastated." Williams' publicist Max Buxbaum said the actor had been battling severe depression.
Robin Williams' "Mork & Mindy" co-star Pam Dawber says she is "completely and totally devastated" over the news of his passing Monday. Williams and Dawber both rose to fame in the late 1970s, co-starring in the "Happy Days" TV spin-off in which Williams played an alien from the planet Ork adjusting to life on Earth. Williams earned an Emmy nomination for his role in the sitcom, which aired on ABC from 1978 to 1982. His character Mork became known for catchphrases such as his greeting "Na-Nu-Na-Nu" and "Shazbot."