'The Flash': Why Are Tom Cavanagh and Carlos Valdes Leaving the Show? On 5/5/21 at 6:05 AM EDT The Flash Season 7 will be the final one for two members of Team Flash. Carlos Valdes and Tom Cavanagh are exiting the CW show, with both set to appear in only a few more episodes as Cisco Ramon and the Timeless Wells respectively. Why are Tom Cavanagh and Carlos Valdes leaving 'The Flash'? Valdes' reason for leaving the show is straightforward. On network shows such as The Flash, the standard contract length is seven years and Valdes has simply chosen not to renew his contract.