Taken from Wikipedia. I don't think this is accurate since the cast has moved from Solar to Skylette Airlines.
Francis Ng as Samuel "Sam" Tong (唐亦琛; jyutping: Tong Jiksam), Solar Airline's first Chinese captain pilot.
Julian Cheung as Jayden "Captain Cool" Koo (顧夏陽; Gu Haajoeng), a handsome and flirty pilot.
Myolie Wu as Zoe So (蘇怡; So Ji), Sam's wife, who dies in episode 2. also as Summer "Big Brother" Koo (顧夏晨; Haasan), an aircraft maintenance technician who physically resembles Zoe.
Fala Chen as Holiday "Holly" Ho (何年希; Ho Ninhei), a pilot.
Ron Ng as Isaac Tong (唐亦風; Tong Jikfung), Sam's younger brother and a co-pilot.
Kenneth Ma as Roy Ko (高志宏; Gou Ziwang), a co-pilot.
Nancy Wu as Coco Ling (凌卓芝; Ling Coekzi), a stewardess.
Elena Kong as Heather Fong (方芮嘉; Fong Jeoigaa), a stewardess (Senior Purser) and Roy's love interest.
Him Law as Jim Jim (詹子麟; Zim Zileon), a second officer.
Rebecca Zhu as Pink Wu (胡娉; Wu Ping) a stewardess.
Toby Leung as Tung Oi-ping (童愛蘋; Tung Oiping), Sam's goddaughter.
Kelly Fu as Kiu Cho-sze (喬祖思; Kiu Zosi), a waitress for a coffee shop in the airport.
Patrick Dunn as Tony Ching (程日東; Cing Jatdung), a pilot, and Heather's husband.
Pal Sinn as King Ka-chun (景家駿; Ging Gaazeon), a high executive at Solar Airlines.
William Chak as Tucker Luk (陸華特; Luk Waadak), a second officer.
Lo Chun-shun as Mingo (費文高; Fai Man-gou)
Mary Hon as Cammy Ying (邢佳美; Jing Gaaimei), Sam and Isaac's mother.
Adrian Chau as Teddy On (安以泰; On Jitaai), an aircraft maintenance technician.
Yeung Chiu-hoi as Yiu Ho (姚浩; Jiu Hou), an aircraft maintenance technician.
Eliza Sam as Tracy Mok (莫文翠), a stewardess.
Michelle Yim guest stars as Manna, Holly's mom.
Kitty Yuen guest stars as Sun Ko (高滿日)
Vivien Yeo guest stars as Sun's younger sister, Moon Ko (高滿月)
