Director Jeffrey Hunt confirmed via Twitter that Jenny Mollen will be in episode 17 starting Monday.
“@huntvision: I have cast @jennyandteets in #H5O That's going to be a handful. Pray for me”Remember: ONLY Green M&Ms!
— Jenny Mollen (@jennyandteets) January 19, 2013
And also Peter has confirmed via my question yesterday whether Summer will be in episode 16 answer below. A big mahalo also to Summer-glau.net for the tweet link
“@hawaiifive0_oz: @plenkov HUGE fan of Summer Glau had a chance of meeting her in 2006 can you confirm is it true she'll be on Five-0?” Yes!
— Peter Lenkov (@PLenkov) January 19, 2013
Source: Jeffrey Hunt &