Sam Claflin as Jack

Olivia Munn as Dina

Eleanor Tomlinson as Hayley

Freida Pinto as Amanda

Joel Fry as Bryan

Jack Farthing as Marc

Allan Mustafa as Chaz

Tim Key as Sidney

Aisling Bea as Rebecca

Paolo Mazzarelli as Vitelli

Tiziano Caputo as Roberto

Simonetta Solder as Sophia

Stefano Patti as Roberto's Best Man

Giusi Merli as Grandmother

Francesca Rocco as Cristina

Achille Brugnini as Priest

Alexander Forsyth as Greg

Christian Hillborg as Olof

Penny Ryder as The Oracle (voice)