During his three years of training at the Drama Centre London, Cabrera starred in productions of The Madras House, A Month in the Country, Napoli Milionaria, Britannicus, The Dutch Courtesan, The Strangeness of Others, Three Birds Alighting on a Field, and played the title character in The Last Days of Don Juan.
Počas troch rokov skúšania v Drama centre si Cabrera zdokonalil svoje herecké schopnosti v projektoch The Madras House, A Month in the Country, Napoli Milionaria, Britannicus, The Dutch Courtesan, The Strangeness of Others, A Field, Three Birds Alighting On a hral hlavnú úlohu v The Last Days of Don Juan.