NCIS star Mark Harmon has been working in Hollywood for fifty years but has chosen to keep a low profile, living a quiet life with his wife, Pam Dawber, at their home in Brentwood, Los Angeles.

When it came to asking out his wife Pam Dawber for the first time, Mark Harmon did not beat around the bush. The former NCIS star tells PEOPLE a cold call led to their first date — 37 years ago.