Canadian singer and actress, best known for playing Lucy Chen in The Rookie and Two in Dark Matter. On her breakdown express resume she was listed"Height: 5'4", but also as 5ft 6. In this photo, I was wearing 0.75in Skechers, whilst Melissa's boot looked like it gave her a 1.25 inch footwear advantage over me.How tall is Melissa O'Neil5ft 8 Rob and Melissa @ MCM Comic Con, 2016